January Weather in Grand Forks, United States

Last updated: June 24, 2025

In January, the average temperature in Grand Forks, United States hovers around -13°C (9°F). While temperatures can plunge to a chilling -39°C (-38°F), they can also reach a milder 4°C (39°F). Expect 18 mm (0.7 in) of precipitation spread over 4 days, alongside an impressive average humidity of 90% that blankets the region.

January Temperature in Grand Forks

In January in Grand Forks, the average temperature is -13°C (9°F), with maximums reaching 4°C (39°F) and minimums plunging to -39°C (-38°F). Travelers should be prepared for extremely cold conditions, so warm clothing and careful planning are essential for an enjoyable visit.

January Weather in Grand Forks: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Grand Forks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Forks, 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 (-38°F).

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

January Precipitation in Grand Forks

In Grand Forks in January, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

January Precipitation Trends in Grand Forks

The chart displays monthly precipitation patterns in Grand Forks, 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 Grand Forks, January typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 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 Grand Forks

In Grand Forks 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 Grand Forks

This chart illustrates the average monthly humidity levels in Grand Forks, 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 Grand Forks 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 Grand Forks

In Grand Forks 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 Grand Forks, you can visit Hourly UV Index in Grand Forks.

Maximum UV Index Levels in Grand Forks for January

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

Data source: Grand Forks 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 Grand Forks Compares to Other Months

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

This table compares monthly weather conditions in Grand Forks, 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)	18 mm (0.7 inches)	90%	low
February Weather	-14°C (8°F)	20 mm (0.8 inches)	92%	moderate
March Weather	-3°C (26°F)	24 mm (1.0 inches)	85%	moderate
April Weather	4°C (39°F)	35 mm (1.4 inches)	81%	high
May Weather	13°C (56°F)	55 mm (2.2 inches)	75%	very high
June Weather	20°C (69°F)	83 mm (3.3 inches)	79%	very high
July Weather	22°C (72°F)	59 mm (2.3 inches)	76%	very high
August Weather	20°C (68°F)	76 mm (3.0 inches)	78%	very high
September Weather	15°C (60°F)	73 mm (2.9 inches)	77%	high
October Weather	6°C (44°F)	80 mm (3.1 inches)	79%	moderate
November Weather	-3°C (27°F)	26 mm (1.0 inches)	86%	low
December Weather	-9°C (17°F)	36 mm (1.4 inches)	86%	low