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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.

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).

California Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in California - and find the best time to visit.

Best Places in the United States of America in October

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

California 3-Day Forecast

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.