Normal weather in California in December
The weather in California in December has an average temperature of around 31°C during the day. On average, December sees 138 mm of rain in California. The wind speed is 4 Beaufort and mainly comes from Southwest.
After November, December in California starts with a temperature of 30°C and ends around January at 31°C.
The hurricane season in California lasts from early June to late November.
December averages for California
![]() | 31°C |
![]() | 31°C |
![]() | 30°C |
![]() | 138 mm |
![]() | 16 days |
Temperature per day in December in California
This graph shows the average daily maximum temperatures in December in California, indicated in degrees Celsius.
Precipitation per day in December in California
This graph shows the average daily precipitation in December in California, indicated in millimeters.
UV index per day in December in California
This graph shows the average daily UV index in December in California.
Yearly temperature in December in California
This graph shows the average yearly temperature in December in California, measured in degrees Celsius, over the past years.
Yearly total precipitation in December in California
This graph shows the average yearly precipitation in millimeters in December in California, over the past years.
Average daily weather in December
Click on a day to get more information about the average weather on that day.
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Average weather in California per month
Click on a month below to see in detail how the weather typically is in California and what to expect. Based on the historical weather data of California, you can view the average temperature, precipitation, wind, and UV index for each day of the month.