January Weather in Butte, United States

Last updated: June 24, 2025

In January, the average temperature in Butte, United States hovers around -12°C (11°F). Expect chilly extremes, with minimums plummeting to -34°C (-28°F) and maximums barely reaching 2°C (36°F). During this frosty month, precipitation totals 80 mm (3.1 in) over approximately 12 days, and the air remains humid with an average humidity of 94%. Stay warm and prepared!

January Temperature in Butte

In January in Butte, the average temperature is -12°C (11°F). The maximum can reach 2°C (36°F), while the minimum can drop to as low as -34°C (-28°F). Travelers should be prepared for extreme cold conditions and dress warmly when visiting 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 -12°C (11°F), with highs reaching up to 2°C (36°F) and lows dropping to around -34°C (-28°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 total precipitation amount is 80 mm (3.1 in) spread over 12 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 80 mm (3.1 inches) of precipitation spread over approximately 12 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 94%. With an average temperature of -12°C (11°F), this humidity feels like an icy mist clinging to your skin, making every breath sharp and biting, and turning even the shortest walks into a challenge against the extreme chill.

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 94%, 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 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Butte.

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 1, which falls under the low 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	-12°C (11°F)	80 mm (3.1 inches)	94%	low
February Weather	-10°C (15°F)	74 mm (2.9 inches)	93%	low
March Weather	-7°C (20°F)	72 mm (2.8 inches)	91%	moderate
April Weather	0°C (33°F)	54 mm (2.1 inches)	85%	moderate
May Weather	5°C (42°F)	75 mm (2.9 inches)	88%	high
June Weather	11°C (51°F)	83 mm (3.3 inches)	95%	high
July Weather	13°C (56°F)	89 mm (3.5 inches)	102%	high
August Weather	12°C (53°F)	137 mm (5.4 inches)	100%	moderate
September Weather	7°C (45°F)	127 mm (5.0 inches)	96%	moderate
October Weather	1°C (33°F)	173 mm (6.8 inches)	91%	low
November Weather	-9°C (17°F)	114 mm (4.5 inches)	95%	low
December Weather	-8°C (17°F)	142 mm (5.6 inches)	96%	low