December Weather in Colorado, Mexico

Last updated: August 27, 2025

In December, the average temperature in Colorado, Mexico hovers around 24°C (75°F), offering a pleasant climate for outdoor activities. Expect a minimum of 18°C (65°F) and a maximum of 31°C (88°F), allowing for some temperature variation throughout the day. Be prepared for ** rainfall**, as 91 mm (3.6 in) is anticipated over 16 days, contributing to an average humidity of 85%.

December Temperature in Colorado

In December in Colorado, the average temperature is 24°C (75°F). Maximum temperatures can reach 31°C (88°F) while minimums can drop to as low as 18°C (65°F). This pleasant climate makes it an ideal time for sightseeing and outdoor activities.

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

The chart illustrates December temperature patterns in Colorado, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colorado, December typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (88°F) and lows dropping to around 18°C (65°F).

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

December Precipitation in Colorado

In Colorado in December, the total precipitation amount is 91 mm (3.6 in) spread over 16 days.

December Precipitation Trends in Colorado

The chart displays monthly precipitation patterns in Colorado, 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 Colorado, December typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 16 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 Colorado

In Colorado in December humidity is 85%. With an average temperature of 24°C (75°F), this humidity feels like walking through a warm, heavy blanket, making travel feel sluggish and draining as you navigate through the thick, muggy air.

December Average Humidity in Colorado

This chart illustrates the average monthly humidity levels in Colorado, 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 Colorado is approximately 85%, 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 Colorado

In Colorado in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Colorado.

Maximum UV Index Levels in Colorado for December

The chart shows the monthly maximum UV Index (UVI) for Colorado 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 Colorado typically reaches 8, which falls under the very high exposure category.

Data source: Colorado 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 Colorado Compares to Other Months

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

This table compares monthly weather conditions in Colorado, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (74°F)	110 mm (4.3 inches)	81%	very high
February Weather	24°C (76°F)	65 mm (2.6 inches)	80%	extreme
March Weather	25°C (78°F)	47 mm (1.9 inches)	76%	extreme
April Weather	27°C (81°F)	31 mm (1.2 inches)	74%	extreme
May Weather	29°C (84°F)	70 mm (2.7 inches)	74%	extreme
June Weather	28°C (83°F)	265 mm (10.4 inches)	74%	extreme
July Weather	28°C (83°F)	191 mm (7.5 inches)	79%	extreme
August Weather	28°C (83°F)	275 mm (10.8 inches)	80%	extreme
September Weather	28°C (82°F)	294 mm (11.6 inches)	79%	extreme
October Weather	27°C (81°F)	337 mm (13.3 inches)	81%	extreme
November Weather	25°C (78°F)	205 mm (8.1 inches)	84%	very high
December Weather	24°C (75°F)	91 mm (3.6 inches)	85%	very high