Pittsburgh weather in August 2025

Expect 28°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Pittsburgh in August. Check more long-term weather averages for Pittsburgh in August before you book your next holiday to Pennsylvania in 2025/2026.

  • 28°C maximum daytime temperature in August in Pittsburgh28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in August in Pittsburgh10
    10 days with some rainfall
  • 15°C minimum night-time temperature in August in Pittsburgh15
    15°C min night temperature
  • 14 hours of daylight per day in August in Pittsburgh14
    14 hours of daylight per day
  • Moderate heat & humidity in August in PittsburghM
    Moderate heat & humidity
  • 89 mm monthly rainfall in August in Pittsburgh89
    89 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Pittsburgh8
    8 (Very High) UV index

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The August weather guide for Pennsylvania (Pittsburgh) 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 Pittsburgh in August?

Daytime temperatures usually reach 28°C in Pittsburgh in August with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Pittsburgh in August?

There are normally 7 hours of bright sunshine each day in Pittsburgh in August - that's 53% of daylight hours.

Does it rain in Pittsburgh in August?

There are usually 10 days with some rain in Pittsburgh in August and the average monthly rainfall is 89mm.

Pittsburgh August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:18 19:34
Saturday, 16th August 2025 05:32 19:16
Sunday, 31st August 2025 05:47 18:53

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