December Weather in Kalifornsky, United States

Last updated: June 24, 2025

In December, the average temperature in Kalifornsky, United States hovers around -2°C (29°F), with extremes ranging from a chilly -16°C (4°F) to a milder 7°C (45°F). Be prepared for precipitation averaging 106 mm (4.2 in) over approximately 17 days, and brace yourself for the high humidity levels at a staggering 98%.

December Temperature in Kalifornsky

In December in Kalifornsky, the average temperature is -2°C (29°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -16°C (4°F). Travelers should be prepared for cold conditions and dress warmly to enjoy their visit.

December Weather in Kalifornsky: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Kalifornsky, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalifornsky, December typically has an average temperature of -2°C (29°F), with highs reaching up to 7°C (45°F) and lows dropping to around -16°C (4°F).

Data source: Temperature data for Kalifornsky generated using information from the Copernicus Climate Change Service.

December Precipitation in Kalifornsky

In Kalifornsky in December, the precipitation amount is 106 mm (4.2 in) spread over 17 days.

December Precipitation Trends in Kalifornsky

The chart displays monthly precipitation patterns in Kalifornsky, 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 Kalifornsky, December typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Kalifornsky

In Kalifornsky in December, humidity is 98%. With an average temperature of -2°C (29°F), this humidity feels like an icy blanket clinging to the skin, making it challenging to stay warm while traveling.

December Average Humidity in Kalifornsky

This chart illustrates the average monthly humidity levels in Kalifornsky, 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 Kalifornsky is approximately 98%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kalifornsky

In Kalifornsky in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Kalifornsky.

Maximum UV Index Levels in Kalifornsky for December

The chart shows the monthly maximum UV Index (UVI) for Kalifornsky 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 Kalifornsky typically reaches 1, which falls under the low exposure category.

Data source: Kalifornsky 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 Kalifornsky Compares to Other Months

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

This table compares monthly weather conditions in Kalifornsky, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	50 mm (2.0 inches)	95%	low
February Weather	-3°C (26°F)	54 mm (2.1 inches)	95%	low
March Weather	-2°C (29°F)	37 mm (1.5 inches)	90%	moderate
April Weather	3°C (39°F)	37 mm (1.4 inches)	82%	moderate
May Weather	9°C (48°F)	65 mm (2.5 inches)	85%	high
June Weather	12°C (54°F)	43 mm (1.7 inches)	95%	high
July Weather	15°C (59°F)	67 mm (2.7 inches)	100%	high
August Weather	15°C (58°F)	82 mm (3.2 inches)	99%	high
September Weather	11°C (53°F)	118 mm (4.6 inches)	97%	moderate
October Weather	6°C (44°F)	132 mm (5.2 inches)	93%	low
November Weather	0°C (31°F)	94 mm (3.7 inches)	97%	low
December Weather	-2°C (29°F)	106 mm (4.2 inches)	98%	low