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Ottawa weather in August 2021
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- 25°C max day temperature
25
- 8 hours of sunshine per day
- 11 days with some rainfall
11
- 14°C min night temperature
14
- 14 hours of daylight per day
14
- No heat & humidity
0
- 86 mm of monthly rainfall
86
- 7 (High) UV index
7
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The August weather guide for Ottawa, 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.
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How hot is it in Ottawa in August?
Daytime temperatures usually reach 25°C in Ottawa in August with no heat and humidity, falling to 14°C at night.
How sunny is it in Ottawa in August?
There are normally 8 hours of bright sunshine each day in Ottawa in August - that's 55% of daylight hours.
Does it rain in Ottawa in August?
There are usually 11 days with some rain in Ottawa in August and the average monthly rainfall is 86mm.
Ottawa sunrise & sunset times for August 2021
Browse the sunrise & sunset times for Ottawa in August 2021. Select a month to view Ottawa sunrise & sunset times for the next twelve months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Sunday, 1st August 2021 | 05:47 | 20:30 |
Monday, 16th August 2021 | 06:05 | 20:08 |
Tuesday, 31st August 2021 | 06:23 | 19:42 |
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Metric (°C / mm) | Imperial (°F / inches)
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Where is hot in Ontario in August for 2021/2022?
Below are average maximum temperatures at popular destinations in Ontario in August. Select a destination to see more weather parameters.
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