Niagara Falls weather in August 2025

Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Niagara Falls in August based on long-term weather averages. There is usually 10 days with some rainfall and 83 mm of average monthly rainfall in August.

  • 26°C maximum daytime temperature in August in Niagara Falls26
    26°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in August in Niagara Falls10
    10 days with some rainfall
  • 16°C minimum night-time temperature in August in Niagara Falls16
    16°C min night temperature
  • 14 hours of daylight per day in August in Niagara Falls14
    14 hours of daylight per day
  • Low heat & humidity in August in Niagara FallsL
    Low heat & humidity
  • 83 mm monthly rainfall in August in Niagara Falls83
    83 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Niagara Falls7
    7 (High) UV index

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The August weather guide for New York (Niagara Falls) 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 Niagara Falls in August?

Daytime temperatures usually reach 26°C in Niagara Falls in August with low heat and humidity, falling to 16°C at night.

How sunny is it in Niagara Falls in August?

There are normally 8 hours of bright sunshine each day in Niagara Falls in August - that's 58% of daylight hours.

Does it rain in Niagara Falls in August?

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

Niagara Falls August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:07 19:37
Saturday, 16th August 2025 05:23 19:17
Sunday, 31st August 2025 05:40 18:52

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