nomadseason

December Weather in California City, United States

Last updated: June 24, 2025

In California City, United States, the average temperature in December hovers around 8°C (46°F), with a potential range from a chilly -9°C (17°F) to a warm 23°C (73°F). Expect 36 mm (1.4 in) of precipitation spread over about 4 days, contributing to a relatively high average humidity of 76%. Prepare for a mix of conditions that highlight the beauty of this season!

December Temperature in California City

In December in California City, the average temperature is 8°C (46°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -9°C (17°F). Be prepared for a range of temperatures if you plan to travel during this time, so pack accordingly!

December Weather in California City: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in California City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In California City, December typically has an average temperature of 8°C (46°F), with highs reaching up to 23°C (73°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec474953616779858376645446
Data source: Temperature data for California City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in California City

In California City in December, the precipitation amount is 36 mm (1.4 in) over the course of 4 days.

December Precipitation Trends in California City

The chart displays monthly precipitation patterns in California City, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In California City, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec382531158110131136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in California City

In California City in December, humidity is 76%. With an average temperature of 8°C (46°F), this humidity feels like a chilly dampness that seeps into your bones, making travel less enjoyable as the cold air mixes with the moisture, creating an uneasy, heavy atmosphere that can hinder your outdoor plans.

December Average Humidity in California City

This chart illustrates the average monthly humidity levels in California City, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in California City is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in California City

In California City in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in California City for better planning.

Maximum UV Index Levels in California City for December

The chart shows the monthly maximum UV Index (UVI) for California City in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in California City typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110854
Data source: California City December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in California City Compares to Other Months

Weather in California City varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in California City, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in California City, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)38 mm (1.5 inches)78%moderate
February Weather9°C (49°F)25 mm (1.0 inches)82%high
March Weather12°C (53°F)31 mm (1.2 inches)75%very high
April Weather16°C (61°F)15 mm (0.6 inches)68%very high
May Weather20°C (68°F)8 mm (0.3 inches)57%extreme
June Weather26°C (79°F)1 mm (0.0 inches)52%extreme
July Weather29°C (85°F)1 mm (0.0 inches)46%extreme
August Weather28°C (84°F)0 mm (0.0 inches)39%extreme
September Weather24°C (76°F)1 mm (0.0 inches)48%very high
October Weather18°C (64°F)2 mm (0.1 inches)59%very high
November Weather12°C (55°F)11 mm (0.4 inches)72%moderate
December Weather8°C (46°F)36 mm (1.4 inches)76%moderate

Compare California City's Climate with Cities Worldwide