Oshkosh weather in August 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Oshkosh in August. Check more long-term weather averages for Oshkosh in August before you book your next holiday to Wisconsin in 2025/2026.

  • 26°C maximum daytime temperature in August in Oshkosh26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Oshkosh10
    10 days with some rainfall
  • 14°C minimum night-time temperature in August in Oshkosh14
    14°C min night temperature
  • 14 hours of daylight per day in August in Oshkosh14
    14 hours of daylight per day
  • Low heat & humidity in August in OshkoshL
    Low heat & humidity
  • 100 mm monthly rainfall in August in Oshkosh100
    100 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Oshkosh7
    7 (High) UV index

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The August weather guide for Wisconsin (Oshkosh) 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 Oshkosh in August?

Daytime temperatures usually reach 26°C in Oshkosh in August with low heat and humidity, falling to 14°C at night.

How sunny is it in Oshkosh in August?

There are normally 9 hours of bright sunshine each day in Oshkosh in August - that's 64% of daylight hours.

Does it rain in Oshkosh in August?

There are usually 10 days with some rain in Oshkosh in August and the average monthly rainfall is 100mm.

Oshkosh August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:43 19:18
Saturday, 16th August 2025 05:00 18:56
Sunday, 31st August 2025 05:17 18:31

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