Miles City weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Miles City in August. Check more long-term weather averages for Miles City in August before you book your next holiday to Montana in 2025/2026.

  • 31°C maximum daytime temperature in August in Miles City31
    31°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in August in Miles City6
    6 days with some rainfall
  • 15°C minimum night-time temperature in August in Miles City15
    15°C min night temperature
  • 14 hours of daylight per day in August in Miles City14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Miles CityM
    Moderate heat & humidity
  • 29 mm monthly rainfall in August in Miles City29
    29 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Miles City7
    7 (High) UV index

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The August weather guide for Montana (Miles City) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Miles City in August?

Daytime temperatures usually reach 31°C in Miles City in August with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Miles City in August?

There are normally 11 hours of bright sunshine each day in Miles City in August - that's 75% of daylight hours.

Does it rain in Miles City in August?

There are usually 6 days with some rain in Miles City in August and the average monthly rainfall is 29mm.

Miles City August sunrise & sunset times

Browse the sunrise and sunset times for Miles City in August 2025. Select a month to view Miles City sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:45 19:34
Saturday, 16th August 2025 05:04 19:10
Sunday, 31st August 2025 05:23 18:43

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