Niagara Falls weather in August 2019

  • 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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Expect 26°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Niagara Falls in August. Check more long-term weather averages for Niagara Falls in August before you book your next holiday to Ontario in 2019/2020.

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More about Niagara Falls

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The August weather guide for Niagara Falls, Ontario 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)

Guide to Niagara Falls weather in August

The average maximum daytime temperature in Niagara Falls in August is a warm 26°C (79°F) with low heat & humidity. The average night-time temperature is usually a comfortable 16°C (61°F). There are usually 8 hours of bright sunshine each day, which represents 58% of the 14 hours of daylight.

Expect 83mm (3.3 inches) of rainfall across the whole of August with 10 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.

Niagara Falls sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Niagara Falls in August 2019. Select a month to view Niagara Falls sunrise & sunset times for the next twelve months.

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Date Sunrise times Sunset times
Thursday, 1st August 2019 06:07 20:38
Friday, 2nd August 2019 06:08 20:37
Saturday, 3rd August 2019 06:09 20:36
Sunday, 4th August 2019 06:10 20:34
Monday, 5th August 2019 06:11 20:33
Tuesday, 6th August 2019 06:12 20:32
Wednesday, 7th August 2019 06:13 20:30
Thursday, 8th August 2019 06:14 20:29
Friday, 9th August 2019 06:15 20:28
Saturday, 10th August 2019 06:16 20:26
Sunday, 11th August 2019 06:17 20:25
Monday, 12th August 2019 06:19 20:24
Tuesday, 13th August 2019 06:20 20:22
Wednesday, 14th August 2019 06:21 20:21
Thursday, 15th August 2019 06:22 20:19
Friday, 16th August 2019 06:23 20:18
Saturday, 17th August 2019 06:24 20:16
Sunday, 18th August 2019 06:25 20:15
Monday, 19th August 2019 06:26 20:13
Tuesday, 20th August 2019 06:27 20:11
Wednesday, 21st August 2019 06:28 20:10
Thursday, 22nd August 2019 06:29 20:08
Friday, 23rd August 2019 06:31 20:07
Saturday, 24th August 2019 06:32 20:05
Sunday, 25th August 2019 06:33 20:03
Monday, 26th August 2019 06:34 20:02
Tuesday, 27th August 2019 06:35 20:00
Wednesday, 28th August 2019 06:36 19:58
Thursday, 29th August 2019 06:37 19:57
Friday, 30th August 2019 06:38 19:55
Saturday, 31st August 2019 06:39 19:53
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Below are average maximum temperatures at popular destinations in Ontario in August. Select a destination to see more weather parameters.

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