March Weather in Butte, United States

Last updated: June 24, 2025

In Butte, United States, the average temperature in March hovers around 3°C (37°F). However, temperatures can swing significantly, with lows plunging to -23°C (-10°F) and highs reaching 27°C (81°F). Expect precipitation to amount to 69 mm (2.7 in) over approximately 8 days, while the air carries an average humidity of 71%. Stay prepared for a blend of chilly days and mild warmth!

March Temperature in Butte

In March in Butte, the average temperature is 3°C (37°F). The maximum can reach 27°C (81°F), while the minimum can drop as low as -23°C (-10°F). This wide temperature range makes Butte an intriguing destination for travelers seeking diverse weather experiences.

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 3°C (37°F), with highs reaching up to 27°C (81°F) and lows dropping to around -23°C (-10°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 precipitation amount is 69 mm (2.7 in) that falls over a period of 8 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 69 mm (2.7 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Butte

In Butte in March, humidity is 71%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that permeates your clothes, making outdoor exploration uncomfortable and prompting the need for warm, waterproof layers while traveling.

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 71%, 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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Butte, you can refer to this Hourly UV Index in Butte.

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 6, which falls under the high 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	-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