January Weather in Bismarck, United States

Last updated: June 24, 2025

In January, the average temperature in Bismarck, United States hovers around -10°C (15°F), with minimums plummeting to -34°C (-30°F) and maximums reaching up to 10°C (49°F). Be prepared for 12 mm (0.5 in) of precipitation spread over 3 days, and a cozy average humidity of 84%.

January Temperature in Bismarck

In January in Bismarck, the average temperature is -10°C (15°F). Maximum can reach 10°C (49°F) and minimum can be as low as -34°C (-30°F). Travelers should be well-prepared for extreme cold conditions during this time.

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

The chart illustrates January temperature patterns in Bismarck, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bismarck, January typically has an average temperature of -10°C (15°F), with highs reaching up to 10°C (49°F) and lows dropping to around -34°C (-30°F).

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

January Precipitation in Bismarck

In Bismarck in January, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

January Precipitation Trends in Bismarck

The chart displays monthly precipitation patterns in Bismarck, 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 Bismarck, January typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 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 Bismarck

In Bismarck in January, humidity is 84%. With an average temperature of -10°C (15°F), this humidity feels like an icy cloud enveloping you, making travel uncomfortable as every breath feels heavy and the cold air seems even more biting.

January Average Humidity in Bismarck

This chart illustrates the average monthly humidity levels in Bismarck, 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 Bismarck is approximately 84%, 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 Bismarck

In Bismarck 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 Bismarck, you can visit Hourly UV Index in Bismarck.

Maximum UV Index Levels in Bismarck for January

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

Data source: Bismarck 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 Bismarck Compares to Other Months

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

This table compares monthly weather conditions in Bismarck, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	12 mm (0.5 inches)	84%	low
February Weather	-11°C (13°F)	16 mm (0.6 inches)	88%	moderate
March Weather	-1°C (30°F)	26 mm (1.0 inches)	78%	moderate
April Weather	4°C (40°F)	26 mm (1.0 inches)	75%	very high
May Weather	13°C (56°F)	47 mm (1.9 inches)	76%	very high
June Weather	21°C (69°F)	64 mm (2.5 inches)	79%	very high
July Weather	23°C (74°F)	65 mm (2.6 inches)	78%	very high
August Weather	21°C (70°F)	59 mm (2.3 inches)	78%	very high
September Weather	16°C (61°F)	58 mm (2.3 inches)	69%	high
October Weather	7°C (44°F)	56 mm (2.2 inches)	71%	moderate
November Weather	-1°C (31°F)	15 mm (0.6 inches)	82%	moderate
December Weather	-6°C (22°F)	22 mm (0.9 inches)	84%	low