California Weather in August

With daytime temperatures of 29°C (84°F) and nighttime lows of 20°C (68°F), August in California brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 119 mm (4.7 in) falls on average.

Rainfall in California in August

Looking at the last 30 years, the data shows about 11 days with rain, averaging 119 mm (4.7 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in California in August

Temperatures in California in August top out at 29°C (84°F) and drop to 20°C (68°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights are mild at around 20°C (68°F), which is comfortable for most people.

For California itself, May generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our California's climate page.

California Temperature in August

Min Temperature 20°C (68°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 37%  

Precipitation 119 mm (4.7 in)  

Rainy days 11 days  

What to Wear in California in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in California in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our California's climate page.

More climate data for California

Temperature Rainfall

See the full California climate overview or explore weather in the United States of America.