January Weather in Farmington, United States

Last updated: June 24, 2025

In January, the average temperature in Farmington, United States hovers around -1°C (30°F). While it can plummet to a chilly -27°C (-17°F), temperatures can occasionally rise to a mild 20°C (68°F). Expect about 97 mm (3.8 in) of precipitation over 15 days, accompanied by a high average humidity of 86%.

January Temperature in Farmington

In January in Farmington, the average temperature is -1°C (30°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -27°C (-17°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January 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, January typically has an average temperature of -1°C (30°F), with highs reaching up to 20°C (68°F) and lows dropping to around -27°C (-17°F).

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

January Precipitation in Farmington

In Farmington in January, the total precipitation amount is 97 mm (3.8 in) spread over 15 days.

January Precipitation Trends in Farmington

The chart displays monthly precipitation patterns in Farmington, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Farmington, January typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Farmington

In Farmington in January, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

January Average Humidity in Farmington

This chart illustrates the average monthly humidity levels in Farmington, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Farmington is approximately 86%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Farmington

In Farmington in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Farmington, you can check the information here.

Maximum UV Index Levels in Farmington for January

The chart shows the monthly maximum UV Index (UVI) for Farmington in January, 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 January, the maximum UV index in Farmington typically reaches 3, which falls under the moderate exposure category.

Data source: Farmington January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	97 mm (3.8 inches)	86%	moderate
February Weather	1°C (35°F)	144 mm (5.7 inches)	86%	moderate
March Weather	4°C (40°F)	123 mm (4.8 inches)	86%	high
April Weather	10°C (50°F)	141 mm (5.6 inches)	84%	very high
May Weather	16°C (60°F)	152 mm (6.0 inches)	78%	very high
June Weather	20°C (68°F)	151 mm (5.9 inches)	79%	very high
July Weather	22°C (72°F)	106 mm (4.2 inches)	70%	very high
August Weather	21°C (71°F)	91 mm (3.6 inches)	59%	very high
September Weather	18°C (65°F)	112 mm (4.4 inches)	68%	very high
October Weather	13°C (56°F)	119 mm (4.7 inches)	80%	high
November Weather	5°C (41°F)	93 mm (3.7 inches)	86%	moderate
December Weather	2°C (35°F)	133 mm (5.2 inches)	85%	moderate