December Weather in Challenge-Brownsville, United States

Last updated: June 24, 2025

In Challenge-Brownsville, United States, the average temperature in December hovers around 7°C (45°F), with a minimum dipping to -1°C (30°F) and a maximum reaching 23°C (73°F). Expect approximately 218 mm (8.6 in) of precipitation over 11 days, contributing to an average humidity of 83%.

December Temperature in Challenge-Brownsville

In December in Challenge-Brownsville, the average temperature is 7°C (45°F). The maximum can reach 23°C (73°F) and the minimum can be as low as -1°C (30°F). Be prepared for a mix of cool and warm days, making it a great time for layering your clothing while exploring the area.

December Weather in Challenge-Brownsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Challenge-Brownsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Challenge-Brownsville, December typically has an average temperature of 7°C (45°F), with highs reaching up to 23°C (73°F) and lows dropping to around -1°C (30°F).

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

December Precipitation in Challenge-Brownsville

In Challenge-Brownsville in December, the precipitation amount is 218 mm (8.6 in) over the course of 11 days.

December Precipitation Trends in Challenge-Brownsville

The chart displays monthly precipitation patterns in Challenge-Brownsville, 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 Challenge-Brownsville, December typically receives around 218 mm (8.6 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Challenge-Brownsville

In Challenge-Brownsville in December, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.

December Average Humidity in Challenge-Brownsville

This chart illustrates the average monthly humidity levels in Challenge-Brownsville, 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 Challenge-Brownsville is approximately 83%, 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 Challenge-Brownsville

In Challenge-Brownsville in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Challenge-Brownsville, you can check the information here.

Maximum UV Index Levels in Challenge-Brownsville for December

The chart shows the monthly maximum UV Index (UVI) for Challenge-Brownsville 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 Challenge-Brownsville typically reaches 3, which falls under the moderate exposure category.

Data source: Challenge-Brownsville 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 Challenge-Brownsville Compares to Other Months

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

This table compares monthly weather conditions in Challenge-Brownsville, 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)	269 mm (10.6 inches)	84%	moderate
February Weather	8°C (47°F)	289 mm (11.4 inches)	84%	moderate
March Weather	10°C (50°F)	242 mm (9.5 inches)	83%	very high
April Weather	14°C (57°F)	124 mm (4.9 inches)	81%	very high
May Weather	17°C (64°F)	64 mm (2.5 inches)	74%	extreme
June Weather	23°C (74°F)	10 mm (0.4 inches)	64%	extreme
July Weather	26°C (80°F)	1 mm (0.0 inches)	44%	extreme
August Weather	25°C (78°F)	1 mm (0.0 inches)	36%	very high
September Weather	22°C (71°F)	18 mm (0.7 inches)	44%	very high
October Weather	16°C (61°F)	80 mm (3.1 inches)	65%	high
November Weather	11°C (52°F)	153 mm (6.0 inches)	84%	moderate
December Weather	7°C (45°F)	218 mm (8.6 inches)	83%	moderate