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California weather in August 2025
Expect 30°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in California in August. Check more long-term weather averages for California in August before you book your next holiday to California in 2025/2026.
- 30°C max day temperature
30 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 18°C min night temperature
18 - 13 hours of daylight per day
13 - Moderate heat & humidity
M - 4 mm of monthly rainfall
4 - 10 (Very High) UV index
10
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The August weather guide for California (Los Angeles) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top California destinations
Below are average maximum temperatures at popular countries, regions and places in California in August. Select a holiday destination to see more weather parameters.
- Death Valley
- Palm Springs
- Los Angeles
- Beverly Hills
- Napa
- Santa Monica
- San Diego
- Santa Barbara
- Lake Tahoe
- Big Sur
- Yosemite
- San Francisco
All California destinations
- Anaheim
- Bakersfield
- Beverly Hills
- Big Sur
- Crescent City
- Death Valley
- Fresno
- Huntington Beach
- Kings Canyon
- Laguna Beach
- Long Beach
- Los Angeles
- Mammoth Lakes
- Napa
- Needles
- Newport Beach
- Northstar
- Palm Springs
- Redding
- Sacramento
- San Diego
- San Francisco
- Santa Barbara
- Santa Cruz
- Santa Monica
- South Lake Tahoe
- Tahoe City
- Yosemite
Metric (°C / mm) | Imperial (°F / inches)
More about California
How hot is it in California in August?
Daytime temperatures usually reach 30°C in Los Angeles, California in August with moderate heat and humidity, falling to 18°C at night.
How sunny is it in California in August?
There are normally 11 hours of bright sunshine each day in Los Angeles, California in August - that's 83% of daylight hours.
Does it ever rain in California in August?
There is usually 1 day with some rain in Los Angeles, California in August and the average monthly rainfall is 4mm.
California August sunrise & sunset times
Browse the sunrise and sunset times for California in August 2025. Select a month to view California sunrise and sunset times for the next 12 months. The California sunrise and sunset times shown below are for Los Angeles.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:05 | 18:54 |
| Saturday, 16th August 2025 | 05:16 | 18:38 |
| Sunday, 31st August 2025 | 05:26 | 18:20 |
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