Temperature in California in December

Daytime highs, nighttime lows and the warmest cities in California, the United States of America this December.

California, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in December ranging from 2°C (36°F) in Sequoia National Park to 21°C (70°F) in Brawley. Nighttime temperatures generally drop to 5°C (41°F) in Brawley and -10°C (14°F) in Sequoia National Park. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in California, the United States of America in December?

Explore the map below to discover average December temperatures at the top destinations in California. For a deeper dive, simply click on any destination dot.

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Check the conditions for any month of the year.

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

See also: California weather by month.

Best Places to Visit in California in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across California.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

See all December weather averages, cities and regions in California

California temperatures in December: frequently asked questions

How hot does it get in California, the United States of America in December?

Daytime temperatures in Los Angeles typically peak at 18°C (64°F) in December, putting it in the pleasant range.

How cold does it get at night in California, the United States of America in December?

Average overnight lows in California, the United States of America during December sit near 9°C (48°F) in Los Angeles.

What is the warmest city in December in California, the United States of America?

Brawley tops the warmest city list in our database with average maximum daytime temperatures around 21°C (70°F) and a minimum nighttime temperature of around 5°C (41°F).

What is the coldest city in December in California, the United States of America?

When looking through our records, we find that Sequoia National Park stands out as the coolest city in California, the United States of America for the month of December. Daytime highs average 2°C (36°F) and it cools down to about -10°C (14°F) at night.

How much sun does California, the United States of America get in December?

Across California, the United States of America, sunshine in December ranges from moderately sunny in Fresno (127 hours) to sunny in San Diego (231 hours).

What is the water temperature in December?

The water temperature averages approximately 16°C (61°F) in Palm Springs this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in California.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

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