Jamestown weather in August 2025

Expect 77°F daytime maximum temperatures in the shade with on average 8 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 New York in 2025/2026.

  • 77°F maximum daytime temperature in August in Jamestown77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in August in Jamestown11
    11 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
  • 4.2 inches monthly rainfall in August in Jamestown4.2
    4.2 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Jamestown8
    8 (Very High) UV index

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The August weather guide for New York (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 77°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 8 hours of bright sunshine each day in Jamestown in August - that's 56% of daylight hours.

Does it rain in Jamestown in August?

There are usually 11 days with some rain in Jamestown in August and the average monthly rainfall is 4.2 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 05:10 19:35
Saturday, 16th August 2025 05:26 19:16
Sunday, 31st August 2025 05:42 18:52

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