December Weather in Farmington, United States

Last updated: June 24, 2025

In Farmington, United States, the average temperature in December hovers around 0°C (32°F), with a potential minimum dropping to a chilly -16°C (4°F) and a maximum reaching a mild 17°C (62°F). Expect 25 mm (1.0 in) of precipitation over roughly 5 days, accompanied by a high average humidity of 85%. Whether you're bundling up against the cold or enjoying the brisk air, this month offers a unique experience in this region.

December Temperature in Farmington

In December in Farmington, the average temperature is 0°C (32°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -16°C (4°F). It's advisable to pack warm clothing and be prepared for fluctuating temperatures when traveling to this destination during this time.

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

The chart illustrates December temperature patterns in Farmington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Farmington, December typically has an average temperature of 0°C (32°F), with highs reaching up to 17°C (62°F) and lows dropping to around -16°C (4°F).

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

December Precipitation in Farmington

In Farmington in December, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

December Precipitation Trends in Farmington

The chart displays monthly precipitation patterns in Farmington, 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 Farmington, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 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 Farmington

In Farmington in December, humidity is 85%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that clings to your clothes, making every step feel more arduous and the air heavy, which can dampen the enthusiasm for exploring the surroundings.

December Average Humidity in Farmington

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

In Farmington 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 Farmington for better planning.

Maximum UV Index Levels in Farmington for December

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

Data source: Farmington 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 Farmington Compares to Other Months

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

This table compares monthly weather conditions in Farmington, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	27 mm (1.1 inches)	85%	moderate
February Weather	2°C (36°F)	29 mm (1.1 inches)	86%	high
March Weather	7°C (45°F)	37 mm (1.5 inches)	76%	very high
April Weather	13°C (55°F)	12 mm (0.5 inches)	69%	extreme
May Weather	17°C (64°F)	21 mm (0.8 inches)	53%	extreme
June Weather	24°C (76°F)	7 mm (0.3 inches)	40%	extreme
July Weather	26°C (80°F)	21 mm (0.8 inches)	36%	extreme
August Weather	25°C (78°F)	7 mm (0.3 inches)	44%	extreme
September Weather	21°C (69°F)	25 mm (1.0 inches)	59%	very high
October Weather	12°C (54°F)	20 mm (0.8 inches)	74%	very high
November Weather	6°C (43°F)	15 mm (0.6 inches)	83%	moderate
December Weather	0°C (32°F)	25 mm (1.0 inches)	85%	moderate