July Weather in Butte, United States

Last updated: June 24, 2025

In Butte, United States, the average temperature in July hovers around 25°C (77°F), making it a pleasant time to visit. However, be prepared for fluctuations, as temperatures can drop to a cool 11°C (52°F) or soar up to a sweltering 39°C (102°F). Expect an average precipitation of 81 mm (3.2 in) spread across 9 days, with humidity levels around 84%, adding a touch of tropical warmth to your experience.

July Temperature in Butte

In July in Butte, the average temperature is 25°C (77°F), with maximums often reaching 39°C (102°F) and minimums dropping to as low as 11°C (52°F). This variability makes it essential for travelers to pack for both warm days and cooler evenings.

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

The chart illustrates July 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, July typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (52°F).

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

July Precipitation in Butte

In Butte in July, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

July Precipitation Trends in Butte

The chart displays monthly precipitation patterns in Butte, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Butte, July typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Butte

In Butte in July, humidity is 84%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities challenging and prompting travelers to seek shade and stay hydrated.

July Average Humidity in Butte

This chart illustrates the average monthly humidity levels in Butte, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Butte is approximately 84%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Butte

In Butte in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Butte.

Maximum UV Index Levels in Butte for July

The chart shows the monthly maximum UV Index (UVI) for Butte in July, 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 July, the maximum UV index in Butte typically reaches 10, which falls under the very high exposure category.

Data source: Butte July 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 July 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 July’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 July’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