Helena weather in July 2025

Expect 82°F daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Helena in July. Check more long-term weather averages for Helena in July before you book your next holiday to Montana in 2025/2026.

  • 82°F maximum daytime temperature in July in Helena82
    82°F max day temperature
  • 12 hours of sunshine per day
  • 7 days with some rainfall in July in Helena7
    7 days with some rainfall
  • 50°F minimum night-time temperature in July in Helena50
    50°F min night temperature
  • 15 hours of daylight per day in July in Helena15
    15 hours of daylight per day
  • Low heat & humidity in July in HelenaL
    Low heat & humidity
  • 1.3 inches monthly rainfall in July in Helena1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Helena9
    9 (Very High) UV index

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The July weather guide for Montana (Helena) 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 Helena in July?

Daytime temperatures usually reach 82°F in Helena in July with low heat and humidity, falling to 50°F at night.

How sunny is it in Helena in July?

There are normally 12 hours of bright sunshine each day in Helena in July - that's 77% of daylight hours.

Does it rain in Helena in July?

There are usually 7 days with some rain in Helena in July and the average monthly rainfall is 1.3 inches.

Helena July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:39 20:25
Wednesday, 16th July 2025 04:51 20:17
Thursday, 31st July 2025 05:08 20:00

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