Located along the stunning coast of Newport Beach in California, this seaside destination enjoys a classic Mediterranean climate—mild winters, warm summers, and sunshine nearly year-round. Whether you’re planning a beach vacation, surfing trip, whale-watching tour, or luxury coastal getaway, understanding Newport Beach weather by month will help you choose the perfect time to visit.
Newport Beach Weather by Month
| Month | Avg High | Avg Low | Ocean Temp | Travel Notes |
|---|---|---|---|---|
| January | 65°F (18°C) | 48°F (9°C) | 59°F (15°C) | Cool, good for whale watching |
| February | 66°F (19°C) | 49°F (9°C) | 58–59°F (14–15°C) | Mild, fewer crowds |
| March | 67°F (19°C) | 51°F (11°C) | 59°F (15°C) | Start of spring warmth |
| April | 69°F (21°C) | 53°F (12°C) | 60°F (16°C) | Pleasant & sunny |
| May | 70°F (21°C) | 56°F (13°C) | 62°F (17°C) | “May Gray” mornings |
| June | 73°F (23°C) | 59°F (15°C) | 64°F (18°C) | “June Gloom” early mornings |
| July | 77°F (25°C) | 63°F (17°C) | 67°F (19°C) | Peak beach season |
| August | 79°F (26°C) | 65°F (18°C) | 68°F (20°C) | Warmest month |
| September | 78°F (26°C) | 63°F (17°C) | 67°F (19°C) | Best overall conditions |
| October | 75°F (24°C) | 59°F (15°C) | 65°F (18°C) | Warm, fewer tourists |
| November | 70°F (21°C) | 52°F (11°C) | 62°F (17°C) | Calm, relaxing vibe |
| December | 66°F (19°C) | 48°F (9°C) | 59°F (15°C) | Mild winter, festive harbor |
January – Cool & Peaceful
- Average High: 64–66°F (18–19°C)
- Average Low: 47–49°F (8–9°C)
- Rainfall: Moderate
January is one of the coolest months in Newport Beach. While it’s not ideal for swimming without a wetsuit, it’s perfect for peaceful beach walks, harbor cruises, and exploring Balboa Island without crowds.
Best for: Whale watching, photography, romantic getaways.
February – Mild With Occasional Rain
- Average High: 64–67°F (18–19°C)
- Average Low: 48–50°F (9–10°C)
Similar to January but slightly drier toward the end of the month. Wildflowers begin blooming in nearby coastal hills.
Travel tip: Pack a light jacket and layers for evenings.
March – Early Spring Sunshine
- Average High: 66–68°F (19–20°C)
- Average Low: 50–52°F (10–11°C)
Rain decreases, and sunshine becomes more consistent. Beaches become livelier during spring break.
Best for: Surfing and coastal hiking.
April – Warmer & Brighter
- Average High: 68–70°F (20–21°C)
- Average Low: 52–54°F (11–12°C)
April brings comfortable warmth and fewer rainy days. Ocean temperatures remain cool but manageable for surfers.
Crowd level: Moderate.
May – The Start of “May Gray”
- Average High: 69–71°F (21–22°C)
- Average Low: 55–57°F (13–14°C)
Mornings can be cloudy due to marine layer conditions (known locally as “May Gray”), but afternoons are typically sunny.
Good for: Budget travelers before peak summer pricing.
June – “June Gloom” & Rising Temps
- Average High: 72–74°F (22–23°C)
- Average Low: 58–60°F (14–16°C)
Early summer brings more beachgoers. Mornings may start cloudy (“June Gloom”), but skies usually clear by midday.
Ocean temperature: Around 64–67°F (18–19°C).
July – Peak Summer Sunshine
- Average High: 75–80°F (24–27°C)
- Average Low: 62–65°F (17–18°C)
July is prime beach season. Expect sunshine, warm sand, and vibrant energy along the coast.
Best for: Swimming, boating, paddleboarding.
August – Warmest Month
- Average High: 78–82°F (26–28°C)
- Average Low: 64–67°F (18–19°C)
August is typically the warmest month in Newport Beach. Water temperatures peak, making it ideal for ocean activities.
Tip: Book accommodations early—this is peak season.
September – Locals’ Favorite
- Average High: 77–80°F (25–27°C)
- Average Low: 62–64°F (17–18°C)
Arguably the best month to visit. Crowds thin after Labor Day, but the ocean remains warm and the weather stays sunny.
Best overall month for beach conditions.
October – Warm Fall Escape
- Average High: 73–77°F (23–25°C)
- Average Low: 57–60°F (14–16°C)
Fall in Newport Beach is warm, dry, and comfortable. Perfect for outdoor dining and sunset cruises.
November – Crisp & Calm
- Average High: 68–72°F (20–22°C)
- Average Low: 50–53°F (10–12°C)
Temperatures cool slightly, and rainfall chances increase toward late November.
Great for: Relaxed coastal getaways without tourist crowds.
December – Mild Winter Charm
- Average High: 64–67°F (18–19°C)
- Average Low: 47–50°F (8–10°C)
December remains mild compared to most U.S. destinations. Holiday boat parades and festive harbor lights add charm.
Best Time to Visit Newport Beach
| Travel Goal | Best Months |
|---|---|
| Swimming & Sunbathing | July – September |
| Surfing | March – October |
| Budget Travel | February – May |
| Fewer Crowds + Great Weather | September – October |
| Whale Watching | January – March |
Monthly Weather Summary
Newport Beach offers:
- ☀️ 280+ sunny days per year
- 🌊 Comfortable coastal breezes
- 🌧️ Most rainfall between January–March
- 🌡️ Mild winters & warm summers
No matter when you visit Newport Beach, the weather is generally pleasant. The biggest decision isn’t whether the weather will be good—it’s whether you prefer lively summer energy or serene off-season charm.
20 frequently asked questions (FAQs) about the weather in Newport Beach, California
1. What type of climate does Newport Beach have?
Newport Beach has a Mediterranean climate with mild, wet winters and warm, dry summers.
2. What is the best month to visit Newport Beach for good weather?
September is often considered the best month due to warm temperatures, sunny skies, and fewer crowds.
3. How hot does Newport Beach get in summer?
Summer highs typically range from 75–82°F (24–28°C), with August usually being the warmest month.
4. Is Newport Beach warm enough to swim year-round?
Not typically. Ocean temperatures range from about 58°F (14°C) in winter to 68°F (20°C) in late summer. Most swimmers prefer July–September.
5. What is the coldest month in Newport Beach?
January is usually the coldest month, with average lows around 47–49°F (8–9°C).
6. Does Newport Beach get a lot of rain?
No. Rainfall is limited and mostly occurs between January and March.
7. What is “May Gray”?
“May Gray” refers to cloudy mornings caused by marine layer conditions in May, often clearing by afternoon.
8. What is “June Gloom”?
Similar to May Gray, “June Gloom” describes overcast mornings in June before the sun breaks through later in the day.
9. Is Newport Beach humid?
Humidity is generally moderate due to ocean breezes, but it rarely feels tropical or oppressive.
10. Are there hurricanes in Newport Beach?
Hurricanes are extremely rare. Southern California occasionally experiences remnants of tropical storms, but major impacts are uncommon.
11. Does it ever snow in Newport Beach?
No. Snow does not occur in Newport Beach due to its mild coastal climate.
12. How windy is Newport Beach?
Afternoon ocean breezes are common, especially in spring and summer, making it great for sailing and surfing.
13. What is the sunniest month in Newport Beach?
July and August typically have the most sunshine hours.
14. When is whale-watching season?
January through March is prime whale-watching season due to migrating gray whales.
15. What should I pack for winter?
Bring light layers, a jacket for evenings, and comfortable walking shoes.
16. What should I pack for summer?
Light clothing, sunscreen, sunglasses, and beachwear are essential.
17. Is September warmer than June?
Yes. September is usually warmer and sunnier than June, with fewer marine layer clouds.
18. Does Newport Beach experience heatwaves?
Occasionally, inland heatwaves can push temperatures into the upper 80s or low 90s°F, but coastal breezes often moderate extremes.
19. Is fall a good time to visit Newport Beach?
Yes. September and October offer warm temperatures, clear skies, and thinner crowds.
20. How many sunny days does Newport Beach get per year?
Newport Beach enjoys approximately 280+ sunny days annually.