Rochester weather in August 2025

Expect daytime maximum temperatures of 26°C in Rochester, New York in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 83 mm of rainfall in the month.

  • 26°C maximum daytime temperature in August in Rochester26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Rochester10
    10 days with some rainfall
  • 15°C minimum night-time temperature in August in Rochester15
    15°C min night temperature
  • 14 hours of daylight per day in August in Rochester14
    14 hours of daylight per day
  • Low heat & humidity in August in RochesterL
    Low heat & humidity
  • 83 mm monthly rainfall in August in Rochester83
    83 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Rochester7
    7 (High) UV index
  • 21°C sea temperature in August in Rochester21
    21°C sea temperature

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The August weather guide for New York (Rochester) 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 Rochester in August?

Daytime temperatures usually reach 26°C in Rochester in August with low heat and humidity, falling to 15°C at night.

How sunny is it in Rochester in August?

There are normally 9 hours of bright sunshine each day in Rochester in August - that's 62% of daylight hours.

How warm is the sea around Rochester in August?

The average sea temperature around Rochester in August is 21°C.

Does it rain in Rochester in August?

There are usually 10 days with some rain in Rochester in August and the average monthly rainfall is 83mm.

Rochester August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:01 19:32
Saturday, 16th August 2025 05:17 19:11
Sunday, 31st August 2025 05:34 18:47

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