December Weather in Collbran, United States

Last updated: June 24, 2025

In December, the average temperature in Collbran, United States hovers around -6°C (22°F), with extremes ranging from a chilling -23°C (-9°F) to a mild 11°C (53°F). Expect about 61 mm (2.4 in) of precipitation over 9 days, and be prepared for a notable average humidity of 90%.

December Temperature in Collbran

In December in Collbran, the average temperature is -6°C (22°F). The maximum can reach 11°C (53°F), while the minimum can drop to as low as -23°C (-9°F). Travelers should be prepared for chilly conditions and significant temperature fluctuations during this time.

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

The chart illustrates December temperature patterns in Collbran, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Collbran, December typically has an average temperature of -6°C (22°F), with highs reaching up to 11°C (53°F) and lows dropping to around -23°C (-9°F).

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

December Precipitation in Collbran

In Collbran in December, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

December Precipitation Trends in Collbran

The chart displays monthly precipitation patterns in Collbran, 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 Collbran, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 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 Collbran

In Collbran in December, humidity is 90%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while navigating through the damp, frosty air.

December Average Humidity in Collbran

This chart illustrates the average monthly humidity levels in Collbran, 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 Collbran is approximately 90%, 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 Collbran

In Collbran 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 Collbran for better planning.

Maximum UV Index Levels in Collbran for December

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

Data source: Collbran 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 Collbran Compares to Other Months

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

This table compares monthly weather conditions in Collbran, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	61 mm (2.4 inches)	90%	moderate
February Weather	-5°C (24°F)	73 mm (2.9 inches)	89%	high
March Weather	0°C (33°F)	86 mm (3.4 inches)	81%	very high
April Weather	4°C (40°F)	49 mm (1.9 inches)	74%	extreme
May Weather	11°C (51°F)	56 mm (2.2 inches)	58%	extreme
June Weather	18°C (64°F)	26 mm (1.0 inches)	47%	extreme
July Weather	21°C (70°F)	31 mm (1.2 inches)	39%	extreme
August Weather	20°C (68°F)	22 mm (0.9 inches)	39%	extreme
September Weather	15°C (60°F)	40 mm (1.6 inches)	53%	very high
October Weather	6°C (42°F)	76 mm (3.0 inches)	72%	high
November Weather	0°C (33°F)	38 mm (1.5 inches)	84%	moderate
December Weather	-6°C (22°F)	61 mm (2.4 inches)	90%	moderate