April Weather in Butte, United States

Last updated: June 24, 2025

In Butte, United States, the average temperature in April hovers around 1°C (33°F), with extremes ranging from a brisk -22°C (-7°F) to a mild 20°C (67°F). Be prepared for 63 mm (2.5 in) of precipitation spread over 12 days, and expect the air to be quite damp, with an average humidity of 87%.

April Temperature in Butte

In April in Butte, the average temperature is 1°C (33°F). Maximum temperatures can reach 20°C (67°F), while minimums can drop as low as -22°C (-7°F). Be prepared for a wide range of temperatures when traveling to Butte during this time.

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

The chart illustrates April 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, April typically has an average temperature of 1°C (33°F), with highs reaching up to 20°C (67°F) and lows dropping to around -22°C (-7°F).

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

April Precipitation in Butte

In Butte in April, the total precipitation amount reaches 63 mm (2.5 in) over the course of 12 days.

April Precipitation Trends in Butte

The chart displays monthly precipitation patterns in Butte, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Butte, April typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 12 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Butte

In Butte in April, humidity is 87%. With an average temperature of 1°C (33°F), this humidity feels like a chilling blanket, making traveling uncomfortable as the cold air clings to your skin, amplifying the frosty bite and dampness that can quickly lead to a sense of unease.

April Average Humidity in Butte

This chart illustrates the average monthly humidity levels in Butte, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Butte is approximately 87%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Butte

In Butte in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Butte.

Maximum UV Index Levels in Butte for April

The chart shows the monthly maximum UV Index (UVI) for Butte in April, 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 April, the maximum UV index in Butte typically reaches 9, which falls under the very high exposure category.

Data source: Butte April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	22 mm (0.9 inches)	94%	moderate
February Weather	-9°C (17°F)	58 mm (2.3 inches)	93%	moderate
March Weather	-3°C (28°F)	39 mm (1.5 inches)	91%	high
April Weather	1°C (33°F)	63 mm (2.5 inches)	87%	very high
May Weather	7°C (45°F)	89 mm (3.5 inches)	83%	very high
June Weather	13°C (55°F)	94 mm (3.7 inches)	80%	extreme
July Weather	17°C (64°F)	29 mm (1.1 inches)	75%	very high
August Weather	16°C (62°F)	31 mm (1.2 inches)	66%	very high
September Weather	11°C (53°F)	38 mm (1.5 inches)	66%	very high
October Weather	2°C (37°F)	42 mm (1.7 inches)	77%	moderate
November Weather	-3°C (27°F)	34 mm (1.3 inches)	91%	moderate
December Weather	-8°C (18°F)	30 mm (1.2 inches)	96%	low