Billings weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Billings in August. Check more long-term weather averages for Billings in August before you book your next holiday to Montana in 2025/2026.

  • 86°F maximum daytime temperature in August in Billings86
    86°F max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in August in Billings6
    6 days with some rainfall
  • 55°F minimum night-time temperature in August in Billings55
    55°F min night temperature
  • 14 hours of daylight per day in August in Billings14
    14 hours of daylight per day
  • Moderate heat & humidity in August in BillingsM
    Moderate heat & humidity
  • 1.1 inches monthly rainfall in August in Billings1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Billings8
    8 (Very High) UV index

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The August weather guide for Montana (Billings) 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)  |  Imperial (°F)

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How hot is it in Billings in August?

Daytime temperatures usually reach 86°F in Billings in August with moderate heat and humidity, falling to 55°F at night.

How sunny is it in Billings in August?

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

Does it rain in Billings in August?

There are usually 6 days with some rain in Billings in August and the average monthly rainfall is 1.1 inches.

Billings August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:58 19:42
Saturday, 16th August 2025 05:16 19:20
Sunday, 31st August 2025 05:34 18:53

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