Canada

Ottawa weather in March

Weather in Ottawa: March


	Average day temperature:	31.8°F
	Average night temperature:	23.3°F

	Number of sunny days:	5 days
	Day length:	11.2 - 12.8 hours

	Number of days with precipitation:	4 days
	Precipitation totals:	2.3 in.

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14 days
forecast

Ottawa

weather in
April

Ottawa

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2025

2024

2023

-13

-2

Day temperature

Night temperature

The highest day temperature during March of 2025 was 54°F. At the same time the lowest night temperature was -2°F. Daily and nightly averages during March were 35.2°F and 24.8°F.

	Sunny days
	Partly cloudy days
	Cloudy days

16%

26%

58%

Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.7

1.3

2.0

2.7

3.3

4.0

4.7

5.3

2.2

2.1

3.0

1.8

3.4

2.7

3.2

3.1

3.9

2.6

2.7

2.2

2.1

3.0

1.8

3.4

2.7

3.2

3.1

3.9

2.6

2.7

Precipitation total value in Ottawa in March is 2.6 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.5

3.1

4.6

6.1

7.6

9.2

10.7

8.0

8.2

7.5

6.6

6.5

6.7

7.5

7.7

8.9

8.4

7.8

8.0

8.2

7.5

6.6

6.5

6.7

7.5

7.7

8.9

8.7

8.4

7.8

The average wind speed value in March is 8.7 mph It makes March one of the most windy months of the year.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.5

3.0

4.4

5.9

7.4

8.9

10.4

2.9

4.3

4.8

6.7

7.6

8.6

8.1

8.5

5.6

3.6

3.3

2.9

4.3

4.8

6.7

7.6

8.6

8.1

8.5

5.6

4.5

3.6

3.3

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 March is: 4.5.