January Weather in Thief River Falls, United States

Last updated: June 24, 2025

In Thief River Falls, United States, the average temperature in January hovers around -13°C (9°F), with a minimum dipping to -39°C (-37°F) and a maximum reaching up to 4°C (39°F). Expect around 19 mm (0.8 in) of precipitation spread over 5 days, coupled with a high average humidity of 90%. Bundle up and prepare for a chilly, damp month!

January Temperature in Thief River Falls

In January in Thief River Falls, the average temperature is -13°C (9°F), with maximums reaching 4°C (39°F) and minimums plummeting to -39°C (-37°F). Travelers should be prepared for extreme cold conditions and dress accordingly to ensure warmth and comfort during their visit.

January Weather in Thief River Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Thief River Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thief River Falls, January typically has an average temperature of -13°C (9°F), with highs reaching up to 4°C (39°F) and lows dropping to around -39°C (-37°F).

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

January Precipitation in Thief River Falls

In Thief River Falls in January, the total precipitation amount is 19 mm (0.8 in), occurring over the course of 5 days.

January Precipitation Trends in Thief River Falls

The chart displays monthly precipitation patterns in Thief River Falls, 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 Thief River Falls, January typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Thief River Falls

In Thief River Falls in January, humidity is 90%. With an average temperature of -13°C (9°F), this humidity feels like an icy embrace, making travel uncomfortable as the damp air seeps into layers of clothing, intensifying the chill and making even short walks feel daunting.

January Average Humidity in Thief River Falls

This chart illustrates the average monthly humidity levels in Thief River Falls, 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 Thief River Falls is approximately 90%, 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 Thief River Falls

In Thief River Falls in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Thief River Falls, you can visit Hourly UV Index in Thief River Falls.

Maximum UV Index Levels in Thief River Falls for January

The chart shows the monthly maximum UV Index (UVI) for Thief River Falls 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 Thief River Falls typically reaches 2, which falls under the low exposure category.

Data source: Thief River Falls 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 Thief River Falls Compares to Other Months

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

This table compares monthly weather conditions in Thief River Falls, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	19 mm (0.8 inches)	90%	low
February Weather	-14°C (8°F)	22 mm (0.9 inches)	92%	moderate
March Weather	-3°C (27°F)	26 mm (1.0 inches)	85%	moderate
April Weather	3°C (39°F)	43 mm (1.7 inches)	81%	high
May Weather	13°C (55°F)	54 mm (2.1 inches)	75%	very high
June Weather	20°C (68°F)	93 mm (3.7 inches)	79%	very high
July Weather	22°C (71°F)	62 mm (2.4 inches)	76%	very high
August Weather	20°C (68°F)	69 mm (2.7 inches)	78%	very high
September Weather	15°C (59°F)	84 mm (3.3 inches)	77%	high
October Weather	6°C (43°F)	81 mm (3.2 inches)	79%	moderate
November Weather	-3°C (26°F)	29 mm (1.1 inches)	86%	low
December Weather	-9°C (16°F)	38 mm (1.5 inches)	86%	low