December Weather in Brawley, United States

Last updated: June 24, 2025

In December, the average temperature in Brawley, United States is a pleasant 14°C (58°F). While you might experience a minimum of 2°C (36°F), it can also reach a warm 29°C (85°F). Expect 10 mm (0.4 in) of precipitation over 1 day, and enjoy an average humidity of 74%, making it a comfortable time to explore!

December Temperature in Brawley

In December in Brawley, the average temperature is 14°C (58°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as 2°C (36°F). This mild climate makes Brawley an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates December temperature patterns in Brawley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brawley, December typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around 2°C (36°F).

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

December Precipitation in Brawley

In Brawley in December, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in Brawley

The chart displays monthly precipitation patterns in Brawley, 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 Brawley, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 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 Brawley

In Brawley in December humidity is 74%. With an average temperature of 14°C (58°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities slightly uncomfortable and prompting travelers to seek shade or indoor venues more often.

December Average Humidity in Brawley

This chart illustrates the average monthly humidity levels in Brawley, 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 Brawley is approximately 74%, 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 Brawley

In Brawley 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 Brawley for better planning.

Maximum UV Index Levels in Brawley for December

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

Data source: Brawley 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 Brawley Compares to Other Months

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

This table compares monthly weather conditions in Brawley, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	9 mm (0.3 inches)	72%	moderate
February Weather	16°C (62°F)	14 mm (0.5 inches)	77%	high
March Weather	20°C (68°F)	10 mm (0.4 inches)	67%	very high
April Weather	25°C (77°F)	3 mm (0.1 inches)	56%	very high
May Weather	27°C (82°F)	1 mm (0.0 inches)	46%	extreme
June Weather	33°C (92°F)	0 mm (0.0 inches)	48%	extreme
July Weather	36°C (98°F)	7 mm (0.3 inches)	46%	extreme
August Weather	36°C (98°F)	6 mm (0.2 inches)	42%	extreme
September Weather	32°C (90°F)	6 mm (0.3 inches)	52%	very high
October Weather	25°C (78°F)	3 mm (0.1 inches)	58%	high
November Weather	19°C (67°F)	5 mm (0.2 inches)	66%	moderate
December Weather	14°C (58°F)	10 mm (0.4 inches)	74%	moderate