Marietta weather in August 2025

Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Marietta in August. Check more long-term weather averages for Marietta in August before you book your next holiday to Ohio in 2025/2026.

  • 29°C maximum daytime temperature in August in Marietta29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in August in Marietta10
    10 days with some rainfall
  • 17°C minimum night-time temperature in August in Marietta17
    17°C min night temperature
  • 14 hours of daylight per day in August in Marietta14
    14 hours of daylight per day
  • Moderate heat & humidity in August in MariettaM
    Moderate heat & humidity
  • 104 mm monthly rainfall in August in Marietta104
    104 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Marietta8
    8 (Very High) UV index

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The August weather guide for Ohio (Marietta) 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 Marietta in August?

Daytime temperatures usually reach 29°C in Marietta in August with moderate heat and humidity, falling to 17°C at night.

How sunny is it in Marietta in August?

There are normally 8 hours of bright sunshine each day in Marietta in August - that's 56% of daylight hours.

Does it rain in Marietta in August?

There are usually 10 days with some rain in Marietta in August and the average monthly rainfall is 104mm.

Marietta August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:26 19:38
Saturday, 16th August 2025 05:40 19:20
Sunday, 31st August 2025 05:54 18:58

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