December Weather in Lake Los Angeles, United States

Last updated: June 24, 2025

In December, the average temperature in Lake Los Angeles, United States hovers around 8°C (46°F). Visitors can expect a varied climate, with temperatures dipping as low as -4°C (24°F) and reaching highs of 21°C (71°F). Rainfall is moderate, with an estimated 65 mm (2.6 in) spread over about 5 days. Additionally, the average humidity sits at a comfortable 76%, ensuring a crisp yet pleasant atmosphere.

December Temperature in Lake Los Angeles

In December in Lake Los Angeles, the average temperature is 8°C (46°F). Maximums can reach 21°C (71°F) and minimums can be as low as -4°C (24°F). Be prepared for a mix of cool and mild weather, making it a great time for layered clothing while exploring the sights.

December Weather in Lake Los Angeles: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lake Los Angeles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Los Angeles, December typically has an average temperature of 8°C (46°F), with highs reaching up to 21°C (71°F) and lows dropping to around -4°C (24°F).

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

December Precipitation in Lake Los Angeles

In Lake Los Angeles, in December, the precipitation amount is 65 mm (2.6 in) over a period of 5 days.

December Precipitation Trends in Lake Los Angeles

The chart displays monthly precipitation patterns in Lake Los Angeles, 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 Lake Los Angeles, December typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 5 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 Lake Los Angeles

In Lake Los Angeles 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 Lake Los Angeles

This chart illustrates the average monthly humidity levels in Lake Los Angeles, 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 Lake Los Angeles is approximately 76%, 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 Lake Los Angeles

In Lake Los Angeles 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 Lake Los Angeles for better planning.

Maximum UV Index Levels in Lake Los Angeles for December

The chart shows the monthly maximum UV Index (UVI) for Lake Los Angeles 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 Lake Los Angeles typically reaches 4, which falls under the moderate exposure category.

Data source: Lake Los Angeles 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 Lake Los Angeles Compares to Other Months

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

This table compares monthly weather conditions in Lake Los Angeles, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	56 mm (2.2 inches)	78%	moderate
February Weather	8°C (48°F)	53 mm (2.1 inches)	82%	high
March Weather	10°C (51°F)	68 mm (2.7 inches)	75%	very high
April Weather	15°C (58°F)	21 mm (0.8 inches)	68%	very high
May Weather	17°C (63°F)	15 mm (0.6 inches)	57%	extreme
June Weather	23°C (74°F)	6 mm (0.2 inches)	52%	extreme
July Weather	26°C (79°F)	11 mm (0.4 inches)	46%	extreme
August Weather	26°C (79°F)	16 mm (0.6 inches)	39%	extreme
September Weather	23°C (73°F)	7 mm (0.3 inches)	48%	very high
October Weather	17°C (63°F)	6 mm (0.3 inches)	59%	high
November Weather	13°C (55°F)	20 mm (0.8 inches)	72%	moderate
December Weather	8°C (46°F)	65 mm (2.6 inches)	76%	moderate