March Weather in Butte, United States

Last updated: June 24, 2025

In Butte, United States, the average temperature in March hovers around -7°C (20°F). However, be prepared for extremes, as temperatures can dip as low as -25°C (-12°F) and rise to a maximum of 8°C (46°F). Expect around 72 mm (2.8 in) of precipitation spread over approximately 12 days, making the air feel quite damp with an average humidity of 91%.

March Temperature in Butte

In March, in Butte, the average temperature is -7°C (20°F), with maximums potentially reaching 8°C (46°F) and minimums dropping as low as -25°C (-12°F). Travelers should be well-prepared for cold weather and drastic temperature variations during this time.

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

The chart illustrates March 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, March typically has an average temperature of -7°C (20°F), with highs reaching up to 8°C (46°F) and lows dropping to around -25°C (-12°F).

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

March Precipitation in Butte

In Butte in March, the total precipitation amount is 72 mm (2.8 in) over the course of 12 days.

March Precipitation Trends in Butte

The chart displays monthly precipitation patterns in Butte, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Butte, March typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Butte

In Butte in March humidity is 91%. With an average temperature of -7°C (20°F), this humidity feels like an icy embrace that clings to your skin, making travel uncomfortable and challenging as every breath feels damp and heavy in the frigid air.

March Average Humidity in Butte

This chart illustrates the average monthly humidity levels in Butte, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Butte is approximately 91%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Butte

In Butte in March, 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 March

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

Data source: Butte March 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 March 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 March’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 March’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