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Ottawa weather in August

Weather in Ottawa: August


	Average day temperature:	81.4°F
	Average night temperature:	65.6°F

	Number of sunny days:	16 days
	Day length:	13.1 - 14.4 hours

	Number of rainy days:	2 days
	Precipitation totals:	0.8 in.

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14 days
forecast

Ottawa

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2024

2023

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112

128

Day temperature

Night temperature

The highest day temperature during August of 2024 was 95°F. At the same time the lowest night temperature was 50°F. Day and night temperature averages during August were 79.4°F and 63.0°F.

	Sunny days
	Partly cloudy days
	Cloudy days

52%

35%

13%

Mostly all days in August are sunny but cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.3

0.6

0.9

1.2

1.5

1.7

2.0

1.5

1.6

1.7

1.6

1.4

1.0

1.5

1.6

1.7

1.6

1.4

1.0

Precipitation total value in Ottawa in August is 0.8 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.9

3.9

5.8

7.7

9.7

11.6

13.5

9.7

10.3

9.8

8.5

6.8

8.3

9.3

11.0

11.3

10.1

9.6

9.7

10.3

9.8

8.5

7.3

6.8

8.3

9.3

11.0

11.3

10.1

9.6

The average wind speed value in August is 7.3 mph It makes August one of the least windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.7

3.3

5.0

6.6

8.3

10.0

11.6

3.9

5.5

6.9

9.1

9.7

7.9

6.6

5.5

5.3

3.8

3.9

5.5

6.9

9.1

9.2

9.1

9.7

7.9

6.6

5.5

5.3

3.8

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.2.