Jamestown weather in August 2025

Expect daytime maximum temperatures of 82°F in Jamestown, North Dakota in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.1 inches of rainfall in the month.

  • 82°F maximum daytime temperature in August in Jamestown82
    82°F max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Jamestown9
    9 days with some rainfall
  • 55°F minimum night-time temperature in August in Jamestown55
    55°F min night temperature
  • 14 hours of daylight per day in August in Jamestown14
    14 hours of daylight per day
  • Low heat & humidity in August in JamestownL
    Low heat & humidity
  • 2.1 inches monthly rainfall in August in Jamestown2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Jamestown7
    7 (High) UV index

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The August weather guide for North Dakota (Jamestown) 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 Jamestown in August?

Daytime temperatures usually reach 82°F in Jamestown in August with low heat and humidity, falling to 55°F at night.

How sunny is it in Jamestown in August?

There are normally 10 hours of bright sunshine each day in Jamestown in August - that's 70% of daylight hours.

Does it rain in Jamestown in August?

There are usually 9 days with some rain in Jamestown in August and the average monthly rainfall is 2.1 inches.

Jamestown August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:15 20:06
Saturday, 16th August 2025 05:34 19:43
Sunday, 31st August 2025 05:54 19:15

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