Williston weather in July 2025

Expect 29°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Williston in July. Check more long-term weather averages for Williston in July before you book your next holiday to North Dakota in 2025/2026.

  • 29°C maximum daytime temperature in July in Williston29
    29°C max day temperature
  • 12 hours of sunshine per day
  • 9 days with some rainfall in July in Williston9
    9 days with some rainfall
  • 13°C minimum night-time temperature in July in Williston13
    13°C min night temperature
  • 16 hours of daylight per day in July in Williston16
    16 hours of daylight per day
  • Moderate heat & humidity in July in WillistonM
    Moderate heat & humidity
  • 51 mm monthly rainfall in July in Williston51
    51 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Williston8
    8 (Very High) UV index

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The July weather guide for North Dakota (Williston) 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 Williston in July?

Daytime temperatures usually reach 29°C in Williston in July with moderate heat and humidity, falling to 13°C at night.

How sunny is it in Williston in July?

There are normally 12 hours of bright sunshine each day in Williston in July - that's 76% of daylight hours.

Does it rain in Williston in July?

There are usually 9 days with some rain in Williston in July and the average monthly rainfall is 51mm.

Williston July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:59 20:58
Wednesday, 16th July 2025 05:12 20:49
Thursday, 31st July 2025 05:29 20:31

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