California Weather in October

October in California typically sees daytime highs of 20°C (68°F) and nighttime lows of 7°C (45°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in California in October

Expect around 9 days of rain based on historical data, with 107 mm (4.2 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in California in October

In October, expect pleasant temperatures in California, with highs of 20°C (68°F) and lows of 7°C (45°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in California in October

The month enjoys around 212 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, October is one of the best months to visit California.

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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 October

Min Temperature 7°C (45°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 30%  

Precipitation 107 mm (4.2 in)  

Rainy days 9 days  

Humidity 69% *  

Sunshine 212 hours *  

Percentage Sunshine 61% *  

* Data from: Columbia, the United States of America (41 KM, 25 Miles).

What to Wear in California in October

For California in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in California in October

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

Cycling

9/10

Walking

9/10

Camping

3/10

Outdoor sports

9/10

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 Sunshine Humidity

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