August Weather in Butte

Last updated: March 2, 2024

The weather in Butte, United States, during August is characterized by an average temperature of 12°C (53°F). Highs can soar to 22°C (72°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Butte throughout August hovers around 100%.

3°C (38°F)

Minimum temperature

12°C (53°F)

Average temperature

22°C (72°F)

Maximum temperature

100%

Humidity

Precipitation and Sunshine hours

In August, Butte averages 137 mm (5.4 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 15 hours 42 minutes of daylight, with the sun shining for approximately 8 hours 21 minutes each day. Additionally, there is a 28% probability of sunny days during this period.

137 mm (5.4 inches)

Precipitation

18 rainy days

Rainy days

8 hours 21 minutes

Sunshine hours

28%

Chance of sun

UV Index

In August, the UV Index in Butte reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 2 3 4 5 5 5 4 3 2 1
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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