January Weather in Butte, United States

Last updated: June 24, 2025

In January, the average temperature in Butte, United States hovers around -5°C (23°F). However, be prepared for extremes, as temperatures can plummet to a brisk -32°C (-26°F) or climb to a milder 14°C (57°F). Expect 21 mm (0.8 in) of precipitation over approximately 4 days, coupled with an average humidity of 77%. Stay warm and plan accordingly!

January Temperature in Butte

In January in Butte, the average temperature is -5°C (23°F). Maximums can reach 14°C (57°F), while minimums can drop as low as -32°C (-26°F). It’s essential to pack warm clothing and be prepared for drastic temperature fluctuations when traveling here during this time.

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

The chart illustrates January temperature patterns in Butte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Butte, January typically has an average temperature of -5°C (23°F), with highs reaching up to 14°C (57°F) and lows dropping to around -32°C (-26°F).

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

January Precipitation in Butte

In Butte in January, the precipitation amount is 21 mm (0.8 in) over a span of 4 days.

January Precipitation Trends in Butte

The chart displays monthly precipitation patterns in Butte, 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 Butte, January typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 4 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 Butte

In Butte in January humidity is 77%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that wraps around you, making outdoor activities uncomfortable and urging travelers to bundle up tightly to fend off the cold dampness.

January Average Humidity in Butte

This chart illustrates the average monthly humidity levels in Butte, 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 Butte is approximately 77%, 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 Butte

In Butte 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 Butte, you can check the information here.

Maximum UV Index Levels in Butte for January

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

Data source: Butte 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 Butte Compares to Other Months

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

This table compares monthly weather conditions in Butte, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	21 mm (0.8 inches)	77%	moderate
February Weather	-6°C (22°F)	22 mm (0.9 inches)	81%	moderate
March Weather	3°C (37°F)	69 mm (2.7 inches)	71%	high
April Weather	7°C (46°F)	58 mm (2.3 inches)	75%	very high
May Weather	15°C (59°F)	127 mm (5.0 inches)	74%	very high
June Weather	23°C (74°F)	69 mm (2.7 inches)	82%	extreme
July Weather	25°C (77°F)	81 mm (3.2 inches)	84%	very high
August Weather	23°C (74°F)	80 mm (3.2 inches)	82%	very high
September Weather	19°C (67°F)	68 mm (2.7 inches)	75%	very high
October Weather	9°C (49°F)	72 mm (2.8 inches)	72%	moderate
November Weather	3°C (38°F)	21 mm (0.8 inches)	81%	moderate
December Weather	-2°C (28°F)	42 mm (1.6 inches)	79%	low