December Weather in Security-Widefield, United States

Last updated: June 24, 2025

In Security-Widefield, United States, the average temperature in December hovers around -1°C (31°F), with a range that can dip as low as -18°C (-1°F) and peak at a balmy 20°C (69°F). Expect 10 mm (0.4 in) of precipitation spread over 3 days, accompanied by an average humidity of 80%. It's essential to prepare for chillier days mixed with moments of warmth!

December Temperature in Security-Widefield

In December, in Security-Widefield, the average temperature is -1°C (31°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -18°C (-1°F). Travelers should prepare for a wide range of temperatures, ensuring to pack accordingly for both cold and mild conditions.

December Weather in Security-Widefield: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Security-Widefield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Security-Widefield, December typically has an average temperature of -1°C (31°F), with highs reaching up to 20°C (69°F) and lows dropping to around -18°C (-1°F).

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

December Precipitation in Security-Widefield

In Security-Widefield in December, the precipitation amount is 10 mm (0.4 in) over a period of 3 days.

December Precipitation Trends in Security-Widefield

The chart displays monthly precipitation patterns in Security-Widefield, 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 Security-Widefield, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 3 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 Security-Widefield

In Security-Widefield in December humidity is 80%. With average temperature -1°C (31°F), this humidity feels like a biting chill that seeps into your bones, making every step outdoors a brisk reminder of the cold.

December Average Humidity in Security-Widefield

This chart illustrates the average monthly humidity levels in Security-Widefield, 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 Security-Widefield is approximately 80%, 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 Security-Widefield

In Security-Widefield 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 Security-Widefield for better planning.

Maximum UV Index Levels in Security-Widefield for December

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

Data source: Security-Widefield 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 Security-Widefield Compares to Other Months

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

This table compares monthly weather conditions in Security-Widefield, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	14 mm (0.6 inches)	74%	moderate
February Weather	-2°C (28°F)	21 mm (0.8 inches)	75%	high
March Weather	3°C (38°F)	45 mm (1.8 inches)	66%	very high
April Weather	7°C (45°F)	46 mm (1.8 inches)	62%	extreme
May Weather	13°C (55°F)	72 mm (2.8 inches)	74%	extreme
June Weather	19°C (67°F)	37 mm (1.5 inches)	76%	extreme
July Weather	21°C (71°F)	77 mm (3.0 inches)	75%	extreme
August Weather	21°C (69°F)	56 mm (2.2 inches)	80%	extreme
September Weather	17°C (64°F)	30 mm (1.2 inches)	79%	very high
October Weather	8°C (47°F)	31 mm (1.2 inches)	77%	high
November Weather	3°C (38°F)	17 mm (0.7 inches)	74%	moderate
December Weather	-1°C (31°F)	10 mm (0.4 inches)	80%	moderate