Honolulu, the capital of Hawaii, is famous for its sunshine, warm ocean breezes, and year-round tropical climate. Unlike many destinations, there’s no true “off-season” when it comes to weather—but subtle monthly changes can make a big difference depending on your travel style.
This complete guide breaks down Honolulu weather by month, helping you decide the best time to visit for beaches, sightseeing, hiking, or budget travel.
Overview: Honolulu’s Climate at a Glance
- Climate type: Tropical
- Average daytime temperatures: 77°F–88°F (25°C–31°C)
- Ocean temperature: 75°F–81°F (24°C–27°C)
- Rainiest months: November–March
- Driest months: June–September
Honolulu’s weather is generally mild and pleasant year-round, with trade winds keeping humidity comfortable most of the time.
Honolulu Weather by Month
| Month | Avg High °F (°C) | Avg Low °F (°C) | Weather Notes |
|---|---|---|---|
| January | 80°F (27°C) | 66°F (19°C) | Mild, slightly rainy, whale season |
| February | 80°F (27°C) | 66°F (19°C) | Comfortable, low crowds, breezy |
| March | 81°F (27°C) | 67°F (19°C) | Warmer days, less rain |
| April | 83°F (28°C) | 69°F (21°C) | Sunny, ideal weather |
| May | 85°F (29°C) | 71°F (22°C) | Warm, dry, great value |
| June | 87°F (31°C) | 73°F (23°C) | Hot, sunny, low rainfall |
| July | 88°F (31°C) | 74°F (23°C) | Peak summer, beach-perfect |
| August | 88°F (31°C) | 75°F (24°C) | Hottest month, humid |
| September | 87°F (31°C) | 74°F (23°C) | Fewer crowds, warm ocean |
| October | 86°F (30°C) | 73°F (23°C) | Pleasant, shoulder season |
| November | 83°F (28°C) | 71°F (22°C) | Mild, increasing rain |
| December | 81°F (27°C) | 68°F (20°C) | Cool evenings, festive |
January
- Average high: 80°F (27°C)
- Average low: 66°F (19°C)
- Rainfall: Moderate
January is one of the cooler months and falls within Hawaii’s winter season. Rain showers are more frequent, but they’re usually brief. This is peak whale-watching season, and the surf on the North Shore is legendary.
Best for: Whale watching, surfing, fewer crowds on beaches
Considerations: Slightly cooler evenings, occasional rain
February
- Average high: 80°F (27°C)
- Average low: 66°F (19°C)
- Rainfall: Moderate
February feels very similar to January, with comfortable temperatures and refreshing breezes. It’s still great for whale watching and cultural festivals like the Lunar New Year.
Best for: Outdoor sightseeing, cultural events
Considerations: Still part of the wetter season
March
- Average high: 81°F (27°C)
- Average low: 67°F (19°C)
- Rainfall: Decreasing
March marks the transition from winter to spring. Rainfall starts to drop, and days become slightly warmer. It’s a great balance between good weather and manageable crowds.
Best for: Hiking, beach days, photography
Considerations: Spring break crowds may increase prices
April
- Average high: 83°F (28°C)
- Average low: 69°F (21°C)
- Rainfall: Low
April brings sunnier skies and warmer water temperatures. The ocean becomes calmer, making it ideal for snorkeling and swimming.
Best for: Snorkeling, sightseeing, couples trips
Considerations: One of the best all-around months
May
- Average high: 85°F (29°C)
- Average low: 71°F (22°C)
- Rainfall: Low
May is a sweet spot for travelers. The weather is warm, rainfall is minimal, and crowds are lighter before the summer rush.
Best for: Beach lovers, budget travelers, outdoor activities
Considerations: Excellent value for weather vs. cost
June
- Average high: 87°F (31°C)
- Average low: 73°F (23°C)
- Rainfall: Very low
Summer begins, bringing long sunny days and warm ocean temperatures. Trade winds help keep the heat comfortable.
Best for: Beach vacations, snorkeling, family travel
Considerations: Higher hotel demand begins
July
- Average high: 88°F (31°C)
- Average low: 74°F (23°C)
- Rainfall: Very low
July is hot, sunny, and perfect for classic Hawaii beach weather. Rain is rare, and ocean visibility is excellent.
Best for: Swimming, water sports, island hopping
Considerations: Peak tourist season and higher prices
August
- Average high: 88°F (31°C)
- Average low: 75°F (24°C)
- Rainfall: Low
August is typically the warmest month of the year. Humidity can be higher, but steady trade winds help.
Best for: Beach days, surfing lessons, festivals
Considerations: Very busy, especially with families
September
- Average high: 87°F (31°C)
- Average low: 74°F (23°C)
- Rainfall: Low
September combines summer warmth with fewer crowds as kids return to school. It’s one of the best months for a relaxed visit.
Best for: Budget travel, beaches, snorkeling
Considerations: Occasional humidity
October
- Average high: 86°F (30°C)
- Average low: 73°F (23°C)
- Rainfall: Increasing
October is another shoulder month with great weather and fewer tourists. Rain slowly begins to increase, but most days remain sunny.
Best for: Couples, photographers, outdoor exploration
Considerations: Weather remains very pleasant
November
- Average high: 83°F (28°C)
- Average low: 71°F (22°C)
- Rainfall: Moderate
November marks the return of the wetter season. Surf swells begin to build on the North Shore, attracting surfers from around the world.
Best for: Surfing, cultural experiences
Considerations: More rain, especially late in the month
December
- Average high: 81°F (27°C)
- Average low: 68°F (20°C)
- Rainfall: Moderate
December offers warm weather compared to most of the world, making it a popular holiday destination. Expect festive events, whale sightings, and cooler evenings.
Best for: Holiday travel, whale watching
Considerations: High prices and crowded resorts
Best Time to Visit Honolulu
- Best weather overall: April, May, September, October
- Best for beaches: June–September
- Best for budget travelers: May and September
- Best for surfing: November–February (North Shore)
Honolulu Weather FAQs
- What is the best month to visit Honolulu for good weather?
April, May, September, and October offer the best balance of sunshine, warm temperatures, and fewer crowds. - Does Honolulu have a rainy season?
Yes. The rainier season typically runs from November through March, though rain showers are usually short. - What is the hottest month in Honolulu?
August is usually the hottest month, with average highs around 88°F (31°C). - What is the coldest month in Honolulu?
January and February are the coolest months, but temperatures still stay warm compared to most destinations. - Is Honolulu hot all year round?
Yes. Honolulu enjoys warm temperatures year-round, generally ranging from 77°F to 88°F (25°C–31°C). - When is the best time to go to Honolulu for the beach?
June through September is ideal for beach weather, with minimal rain and warm ocean temperatures. - Is it humid in Honolulu?
Honolulu can be humid, especially in summer, but trade winds usually keep conditions comfortable. - Does it rain every day in Honolulu during winter?
No. Even in winter, rain is often brief and followed by sunshine. - What month has the least rainfall in Honolulu?
June and July typically have the lowest rainfall of the year. - Is Honolulu weather good for hiking?
Yes. March through October is best for hiking due to drier trails and clearer skies. - When is whale watching season in Honolulu?
Whale watching season runs from December to March, with peak sightings in January and February. - Is Honolulu affected by hurricanes?
Hurricanes are rare in Hawaii. Hurricane season runs from June to November, but direct impacts on Honolulu are uncommon. - What is the ocean temperature in Honolulu by month?
Ocean temperatures range from about 75°F (24°C) in winter to 81°F (27°C) in summer. - Is December a good time to visit Honolulu?
Yes, especially for warm holiday travel and whale watching, but expect higher prices and crowds. - What is the best month to visit Honolulu on a budget?
May and September often offer lower hotel rates and airfare with excellent weather. - Does Honolulu get cold at night?
Evenings can feel cooler in winter, with lows around 66–68°F (19–20°C), but jackets are rarely needed. - When is the best time to surf in Honolulu?
November to February is best for experienced surfers on the North Shore, while summer is ideal for beginners. - Is summer too hot to visit Honolulu?
Most travelers find summer comfortable thanks to ocean breezes, especially if you plan beach activities. - What should I pack for Honolulu weather?
Light clothing, sunscreen, swimwear, sandals, and a light rain jacket are usually sufficient year-round. - Can I visit Honolulu any time of year?
Absolutely. Honolulu is a year-round destination, and every month offers warm weather and outdoor activities.
Final Thoughts
Honolulu’s weather is one of its biggest attractions—warm, welcoming, and reliable nearly every month of the year. Whether you’re chasing sunshine, waves, or a relaxed island escape, understanding Honolulu’s monthly weather patterns will help you plan the perfect trip.
No matter when you go, aloha vibes and beautiful skies are almost guaranteed.