Jamestown weather in August 2025

Expect 28°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Jamestown in August. Check more long-term weather averages for Jamestown in August before you book your next holiday to North Dakota in 2025/2026.

  • 28°C maximum daytime temperature in August in Jamestown28
    28°C max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Jamestown9
    9 days with some rainfall
  • 13°C minimum night-time temperature in August in Jamestown13
    13°C 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
  • 53 mm monthly rainfall in August in Jamestown53
    53 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Jamestown7
    7 (High) UV index

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Recommended for North Dakota

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

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 / mm)  |  Imperial (°F / inches)

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How hot is it in Jamestown in August?

Daytime temperatures usually reach 28°C in Jamestown in August with low heat and humidity, falling to 13°C 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 53mm.

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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