Amelia Island Weather by Month
Amelia Island, located on Florida’s northeastern Atlantic coast, has a humid subtropical climate with mild winters, warm summers, and rainfall throughout the year. Winter is generally comfortable for exploring historic Fernandina Beach and walking along the shore, while spring and fall offer pleasant temperatures for outdoor activities. Summer is hotter, more humid, and wetter, with September typically receiving the most rainfall.
The following monthly guide uses the temperature, rainfall, and daylight data you provided. Water temperatures are approximate seasonal estimates for the Atlantic Ocean near Amelia Island.
Amelia Island Weather by Month
You can click the image below to view the full-size weather chart for Amelia Island.
January – Mild, Cool and Relatively Wet
- Average high: 66°F (19°C)
- Average low: 48°F (9°C)
- Rainfall: 3.59 inches (91.1 mm)
- Water temperature: 61°F (16°C)
- Daylight: 10.5 hours
January is one of the coolest months on Amelia Island, but winter weather remains relatively mild compared with many other parts of the United States. Average daytime temperatures reach around 66°F (19°C), while nighttime temperatures fall to approximately 48°F (9°C). The comfortable afternoons are ideal for exploring Fernandina Beach, strolling along the coastline, and discovering the island’s historic district.
Rainfall averages about 3.59 inches (91.1 mm), so occasional wet days are possible. The Atlantic Ocean has an approximate water temperature of 61°F (16°C), which may feel too cold for comfortable swimming for many visitors. A light jacket is useful for cooler mornings and evenings.
Best for:
- Exploring historic Fernandina Beach
- Enjoying peaceful beach walks
- Birdwatching and outdoor sightseeing
- Escaping colder winter climates
February – Cool and Pleasant with Gradually Longer Days
- Average high: 70°F (21°C)
- Average low: 52°F (11°C)
- Rainfall: 3.28 inches (83.4 mm)
- Water temperature: 60°F (16°C)
- Daylight: 11 hours
February brings slightly warmer daytime temperatures and longer days to Amelia Island. Average highs reach 70°F (21°C), while lows remain around 52°F (11°C). The weather is generally comfortable for outdoor exploration, especially during sunny afternoons, although cool mornings can still require an extra layer.
Rainfall averages approximately 3.28 inches (83.4 mm), making February somewhat drier than January. Ocean temperatures remain cool at around 60°F (16°C), so swimming may not appeal to everyone. Visitors can enjoy walking the beaches, visiting local restaurants, cycling, and exploring the island’s natural scenery without the intense summer heat.
Best for:
- Exploring the historic downtown area
- Cycling and walking along scenic routes
- Enjoying uncrowded beaches
- Taking comfortable outdoor excursions
March – Warm, Comfortable and Ideal for Outdoor Activities
- Average high: 73°F (23°C)
- Average low: 55°F (13°C)
- Rainfall: 3.73 inches (94.7 mm)
- Water temperature: 63°F (17°C)
- Daylight: 12 hours
March marks the beginning of warmer spring weather on Amelia Island. Average daytime highs rise to 73°F (23°C), while nighttime temperatures average 55°F (13°C). The pleasant conditions make this an excellent month for enjoying the island’s beaches, nature trails, golf courses, and outdoor dining.
Rainfall averages about 3.73 inches (94.7 mm), so visitors should be prepared for occasional showers. The Atlantic Ocean remains relatively cool at approximately 63°F (17°C), although sunny afternoons are increasingly inviting for beach activities. With 12 hours of daylight, there is plenty of time to explore the island and enjoy its coastal scenery.
Best for:
- Hiking and exploring nature trails
- Playing golf in mild weather
- Enjoying spring beach walks
- Photographing coastal landscapes
April – Warm and Sunny with Comfortable Evenings
- Average high: 79°F (26°C)
- Average low: 63°F (17°C)
- Rainfall: 3.01 inches (76.5 mm)
- Water temperature: 68°F (20°C)
- Daylight: 13 hours
April is one of the most appealing months to visit Amelia Island, with warm afternoons, comfortable evenings, and relatively low rainfall. Average highs reach 79°F (26°C), while lows settle around 63°F (17°C). The pleasant weather is ideal for spending time outdoors without the heavier humidity that typically arrives in summer.
Rainfall averages approximately 3.01 inches (76.5 mm), making April one of the drier months of the year. Ocean temperatures rise to around 68°F (20°C), allowing some visitors to enjoy swimming, although the water may still feel cool. Longer daylight hours provide more opportunities for kayaking, sightseeing, cycling, and relaxing on the beach.
Best for:
- Enjoying warm, comfortable beach weather
- Kayaking and boating
- Exploring historic sites and local shops
- Taking scenic cycling trips
May – Warm, Sunny and Increasingly Beach-Friendly
- Average high: 84°F (29°C)
- Average low: 68°F (20°C)
- Rainfall: 3.08 inches (78.3 mm)
- Water temperature: 74°F (23°C)
- Daylight: 13.5 hours
May brings summer-like warmth to Amelia Island, with average daytime highs around 84°F (29°C) and nighttime lows near 68°F (20°C). The weather is excellent for beach vacations, swimming, paddleboarding, and other coastal activities. Although afternoons can become hot, the ocean breeze often makes conditions more comfortable near the shore.
Rainfall averages about 3.08 inches (78.3 mm), so the month is generally relatively dry compared with the wetter summer and early fall period. Ocean temperatures reach approximately 74°F (23°C), making swimming more enjoyable for many visitors. With 13.5 hours of daylight, May offers plenty of time to experience Amelia Island’s beaches and outdoor attractions.
Best for:
- Swimming and sunbathing
- Paddleboarding and kayaking
- Taking family beach vacations
- Enjoying long afternoons outdoors
June – Hot, Humid and Increasingly Rainy
- Average high: 88°F (31°C)
- Average low: 73°F (23°C)
- Rainfall: 5.51 inches (140 mm)
- Water temperature: 80°F (27°C)
- Daylight: 14 hours
June marks the beginning of the hot, humid summer season on Amelia Island. Average daytime temperatures reach 88°F (31°C), while nighttime lows remain around 73°F (23°C). The warm weather is ideal for swimming, boating, and relaxing by the ocean, although the midday heat can be intense.
Rainfall increases to approximately 5.51 inches (140 mm), with showers and thunderstorms often developing during the afternoon. These showers may be brief but can occasionally disrupt outdoor plans. Ocean temperatures reach around 80°F (27°C), creating inviting conditions for swimming and other water sports. Early mornings and late afternoons are generally the most comfortable times for outdoor exploration.
Best for:
- Swimming in warm Atlantic waters
- Boating and fishing
- Enjoying water sports
- Planning early-morning beach activities
July – Hot, Humid and Perfect for Water Activities
- Average high: 90°F (32°C)
- Average low: 75°F (24°C)
- Rainfall: 5.95 inches (151.2 mm)
- Water temperature: 82°F (28°C)
- Daylight: 14 hours
July is one of the hottest months on Amelia Island, with average highs around 90°F (32°C) and nighttime lows near 75°F (24°C). High humidity can make the weather feel even warmer, so visitors should plan breaks in the shade and stay hydrated. The ocean provides a welcome escape from the heat.
Rainfall averages approximately 5.95 inches (151.2 mm), and afternoon thunderstorms are common during the summer. Despite the frequent showers, July remains popular for beach vacations because the Atlantic Ocean reaches about 82°F (28°C). Long daylight hours allow plenty of time for swimming, fishing, boating, and other outdoor activities, provided visitors monitor the weather.
Best for:
- Swimming and playing in the ocean
- Family beach vacations
- Boating and recreational fishing
- Enjoying summer evenings near the waterfront
August – Very Warm, Humid and Stormy at Times
- Average high: 90°F (32°C)
- Average low: 75°F (24°C)
- Rainfall: 5.50 inches (139.6 mm)
- Water temperature: 83°F (28°C)
- Daylight: 13.5 hours
August remains hot and humid on Amelia Island, with average highs of 90°F (32°C) and lows around 75°F (24°C). The warm conditions are excellent for swimming and spending time on the water, but outdoor activities can feel tiring during the hottest part of the day.
Rainfall averages about 5.50 inches (139.6 mm), and thunderstorms frequently develop in the afternoon. August also falls within the Atlantic hurricane season, so visitors should monitor forecasts and any tropical weather advisories before and during their trip. Ocean temperatures reach approximately 83°F (28°C), making the water especially inviting when conditions are safe.
Best for:
- Swimming in warm ocean water
- Enjoying boating and kayaking on calm days
- Taking early-morning beach walks
- Relaxing at beachside accommodations
September – Warm, Humid and the Wettest Month
- Average high: 86°F (30°C)
- Average low: 73°F (23°C)
- Rainfall: 7.86 inches (199.7 mm)
- Water temperature: 81°F (27°C)
- Daylight: 12.5 hours
September is typically the wettest month on Amelia Island, with average rainfall reaching 7.86 inches (199.7 mm). Temperatures remain warm, with daytime highs around 86°F (30°C) and nighttime lows near 73°F (23°C). Humidity is still noticeable, although the weather gradually begins to transition toward autumn.
The Atlantic Ocean remains warm at approximately 81°F (27°C), making swimming appealing when sea conditions are safe. However, September is also within the peak portion of the Atlantic hurricane season, so tropical storms and hurricanes are important considerations when planning a visit. Flexible itineraries and regular weather checks are particularly useful during this month.
Best for:
- Enjoying warm ocean temperatures
- Visiting beaches between rain showers
- Exploring indoor attractions during wet weather
- Taking advantage of quieter periods when available
October – Warm Days and More Comfortable Evenings
- Average high: 81°F (27°C)
- Average low: 66°F (19°C)
- Rainfall: 3.93 inches (99.9 mm)
- Water temperature: 76°F (24°C)
- Daylight: 11.5 hours
October brings more comfortable weather to Amelia Island as temperatures gradually decline from their summer highs. Average daytime temperatures reach 81°F (27°C), while nighttime lows fall to around 66°F (19°C). The lower temperatures make walking, sightseeing, cycling, and exploring the island more comfortable.
Rainfall drops to approximately 3.93 inches (99.9 mm), a considerable decrease from September. The ocean remains relatively warm at about 76°F (24°C), so swimming is still possible for many visitors. Although hurricane season continues, October often provides an appealing balance of warm weather, comfortable evenings, and opportunities to enjoy the coast.
Best for:
- Exploring Amelia Island’s historic district
- Walking and cycling in pleasant weather
- Enjoying beach picnics
- Swimming and kayaking on suitable days
November – Mild, Drier and Pleasant for Exploring
- Average high: 73°F (23°C)
- Average low: 57°F (14°C)
- Rainfall: 2.32 inches (59 mm)
- Water temperature: 70°F (21°C)
- Daylight: 10.5 hours
November brings cooler, drier weather to Amelia Island. Average daytime highs reach 73°F (23°C), while nighttime temperatures drop to approximately 57°F (14°C). The mild conditions are ideal for visitors who prefer outdoor activities without the intense summer heat or humidity.
Rainfall averages just 2.32 inches (59 mm), making November the driest month in the supplied data. The Atlantic Ocean cools to around 70°F (21°C), which may still be comfortable for some swimmers but feels cooler than during summer. Shorter days and crisp evenings create a pleasant atmosphere for exploring Fernandina Beach, visiting local restaurants, and enjoying quiet coastal walks.
Best for:
- Exploring the island in mild weather
- Enjoying quieter beach walks
- Visiting local shops and historic attractions
- Taking scenic outdoor excursions
December – Cool, Mild and Relatively Dry
- Average high: 68°F (20°C)
- Average low: 52°F (11°C)
- Rainfall: 2.89 inches (73.5 mm)
- Water temperature: 64°F (18°C)
- Daylight: 10 hours
December brings mild winter conditions to Amelia Island, with average daytime highs around 68°F (20°C) and nighttime lows near 52°F (11°C). Although it is cooler than autumn, the weather is often pleasant enough for walking along the beach, exploring historic streets, and enjoying outdoor dining during sunny afternoons.
Rainfall averages approximately 2.89 inches (73.5 mm), so December is relatively dry compared with the summer months. Ocean temperatures fall to around 64°F (18°C), which can feel chilly for swimming. Visitors can still enjoy the coastline, local attractions, and seasonal events, although a jacket is recommended for cooler mornings and evenings.
Best for:
- Enjoying peaceful winter beach walks
- Exploring Fernandina Beach’s historic district
- Taking photographs of the coastline
- Spending a mild winter holiday by the ocean
Amelia Island Weather by Month: Summary Table
| Month | Avg High °F (°C) | Avg Low °F (°C) | Rainfall (inches) | Water Temp. (°F) | Daylight (hours) |
|---|---|---|---|---|---|
| January | 66 (19) | 48 (9) | 3.59 | 61 | 10.5 |
| February | 70 (21) | 52 (11) | 3.28 | 60 | 11 |
| March | 73 (23) | 55 (13) | 3.73 | 63 | 12 |
| April | 79 (26) | 63 (17) | 3.01 | 68 | 13 |
| May | 84 (29) | 68 (20) | 3.08 | 74 | 13.5 |
| June | 88 (31) | 73 (23) | 5.51 | 80 | 14 |
| July | 90 (32) | 75 (24) | 5.95 | 82 | 14 |
| August | 90 (32) | 75 (24) | 5.50 | 83 | 13.5 |
| September | 86 (30) | 73 (23) | 7.86 | 81 | 12.5 |
| October | 81 (27) | 66 (19) | 3.93 | 76 | 11.5 |
| November | 73 (23) | 57 (14) | 2.32 | 70 | 10.5 |
| December | 68 (20) | 52 (11) | 2.89 | 64 | 10 |
20 FAQs About Amelia Island Weather
1. What is the best month to visit Amelia Island?
April, May, and October are among the best months to visit Amelia Island. These months generally offer warm temperatures, comfortable conditions for outdoor activities, and opportunities to enjoy the beaches without the peak summer heat.
2. What is the weather like on Amelia Island year-round?
Amelia Island has a humid subtropical climate, with mild winters, warm springs, hot and humid summers, and pleasant autumn weather. Rain falls throughout the year, with the heaviest rainfall typically occurring in summer and early fall.
3. What is the coldest month on Amelia Island?
January is generally the coldest month. Average daytime highs are around 66°F (19°C), while nighttime lows are approximately 48°F (9°C).
4. What is the hottest month on Amelia Island?
July and August are typically the hottest months, with average daytime highs around 90°F (32°C). High humidity can make the weather feel even hotter.
5. Does it snow on Amelia Island?
Snow is extremely rare on Amelia Island because of its mild coastal climate. Winter precipitation generally falls as rain rather than snow.
6. What is the rainiest month on Amelia Island?
September is typically the rainiest month in the supplied data, averaging approximately 7.86 inches (199.7 mm) of rainfall. Afternoon showers, thunderstorms, and tropical weather systems can contribute to wet conditions.
7. What is the driest month on Amelia Island?
November is the driest month in the supplied data, with average rainfall of about 2.32 inches (59 mm). It is a good time for visitors who prefer relatively dry weather for sightseeing and outdoor activities.
8. When is beach weather best on Amelia Island?
May, June, and October are good choices for beach activities. May offers warm temperatures and increasing ocean warmth, June brings hot summer conditions, and October provides comfortable daytime temperatures with a gradually cooling ocean.
9. What is the average temperature on Amelia Island in winter?
Winter daytime temperatures generally range from the mid-60s to around 70°F (18–21°C), while nighttime temperatures often fall into the upper 40s and low 50s°F (9–11°C). Winter is usually mild and suitable for sightseeing, beach walks, and golf.
10. Can you swim at Amelia Island in January?
Swimming is possible in January, but the Atlantic Ocean averages around 58–61°F (14–16°C), which feels cold to many people. Visitors may prefer beach walks, shell collecting, and other coastal activities instead.
11. When is the ocean warmest at Amelia Island?
The ocean is generally warmest in August, when average water temperatures can reach approximately 83–85°F (28–29°C). July and September also offer warm water, making summer and early fall popular for swimming.
12. Does Amelia Island get hurricanes?
Yes. Amelia Island can be affected by tropical storms and hurricanes during the Atlantic hurricane season, which runs from June 1 through November 30. September and October are important months to monitor forecasts. Travelers should check official advisories and consider flexible bookings during this period.
13. What is the Atlantic hurricane season on Amelia Island?
The Atlantic hurricane season officially runs from June through November. Although tropical systems are possible throughout this period, September is typically near the seasonal peak. Visitors traveling in late summer or autumn should monitor weather updates before and during their stay.
14. Is Amelia Island humid in summer?
Yes. Summer is hot and humid, especially from June through September. Daytime highs commonly reach the upper 80s to around 90°F (31–32°C), and humidity can make it feel hotter. Lightweight clothing, sunscreen, and regular hydration are recommended.
15. How much rain does Amelia Island get?
Amelia Island receives rainfall throughout the year, with a greater concentration during summer and early fall. In the data supplied, monthly rainfall ranges from approximately 2.32 inches (59 mm) in November to 7.86 inches (199.7 mm) in September.
16. Is October a good time to visit Amelia Island?
Yes. October is an excellent month for a beach vacation, with average highs around 81°F (27°C), lows near 66°F (19°C), and ocean temperatures around 76°F (24°C). Rainfall is generally lower than in September, although hurricane season has not officially ended.
17. Is March a good time to visit Amelia Island?
March is a pleasant month for outdoor activities. Average highs reach approximately 73°F (23°C), and daylight increases to about 12 hours. The ocean remains relatively cool, but visitors can enjoy nature trails, golf, sightseeing, and beach walks.
18. What should I pack for Amelia Island?
Pack lightweight clothing, comfortable walking shoes, swimwear, sunscreen, sunglasses, and a hat for spring and summer trips. Bring a light rain jacket during the wetter months. For winter visits, include a sweater or light jacket for cool mornings and evenings.
19. Is Amelia Island worth visiting in December?
Yes. December offers mild winter weather, relatively low rainfall, and opportunities to explore the island without the summer heat. Average highs are around 68°F (20°C), while ocean temperatures are approximately 64°F (18°C). It is better suited to sightseeing and peaceful beach walks than extended swimming.
20. What is the cheapest time to visit Amelia Island?
January and February are often good months to look for lower accommodation prices and a quieter atmosphere, outside holiday periods and special events. Summer and popular spring travel dates can be busier. Prices vary by property, events, and booking dates, so comparing rates before choosing your travel dates is worthwhile.
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