December Weather in Mancos, United States

Last updated: June 24, 2025

In December, the average temperature in Mancos, United States hovers around -4°C (25°F). While you might experience chilly nights with minimums plunging to -25°C (-12°F), the days can warm up to a cozy 13°C (56°F). Expect 59 mm (2.3 in) of precipitation spread over about 7 days, contributing to an average humidity level of 85%—so don't forget your umbrella!

December Temperature in Mancos

In December in Mancos, the average temperature is -4°C (25°F). The maximum can reach 13°C (56°F) and the minimum can be as low as -25°C (-12°F). Be prepared for a significant temperature range and dress accordingly if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Mancos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mancos, December typically has an average temperature of -4°C (25°F), with highs reaching up to 13°C (56°F) and lows dropping to around -25°C (-12°F).

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

December Precipitation in Mancos

In Mancos in December, the precipitation amount is 59 mm (2.3 in) over a span of 7 days.

December Precipitation Trends in Mancos

The chart displays monthly precipitation patterns in Mancos, 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 Mancos, December typically receives around 59 mm (2.3 inches) of precipitation spread over approximately 7 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 Mancos

In Mancos in December, humidity is 85%. With an average temperature of -4°C (25°F), this humidity feels like a damp chill clinging to your skin, making travel outside uncomfortable and leaving you feeling cold and clammy despite the freezing temperatures.

December Average Humidity in Mancos

This chart illustrates the average monthly humidity levels in Mancos, 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 Mancos 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 Mancos

In Mancos 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 Mancos for better planning.

Maximum UV Index Levels in Mancos for December

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

Data source: Mancos 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 Mancos Compares to Other Months

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

This table compares monthly weather conditions in Mancos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	54 mm (2.1 inches)	85%	moderate
February Weather	-3°C (28°F)	64 mm (2.5 inches)	86%	high
March Weather	2°C (35°F)	77 mm (3.0 inches)	76%	very high
April Weather	7°C (46°F)	25 mm (1.0 inches)	69%	extreme
May Weather	13°C (55°F)	40 mm (1.6 inches)	53%	extreme
June Weather	19°C (67°F)	15 mm (0.6 inches)	40%	extreme
July Weather	22°C (71°F)	49 mm (1.9 inches)	36%	extreme
August Weather	20°C (69°F)	19 mm (0.7 inches)	44%	extreme
September Weather	16°C (62°F)	41 mm (1.6 inches)	59%	very high
October Weather	9°C (48°F)	43 mm (1.7 inches)	74%	very high
November Weather	3°C (37°F)	32 mm (1.3 inches)	83%	high
December Weather	-4°C (25°F)	59 mm (2.3 inches)	85%	moderate