World Resorts USA Ottawa Weather

Ottawa weather in March

Weather in Ottawa: March

Average day temperature: 48.5°F
Average night temperature: 37.7°F
Number of sunny days: 9 days
Day length: 11.3 - 12.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.2 in.

Air temperature in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during March of 2025 was 77°F. At the same time the lowest night temperature was 20°F. Daily and nightly averages during March were 53.2°F and 38.5°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
28%
28%
44%

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

Precipitation total in March, in.

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
1.0
1.5
1.6
1.7
1.6
1.2
1.0

Precipitation total value in Ottawa in March is 1.2 in. Other months of the year show relatively similar values.

Wind speed in March, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
3.9
5.9
7.9
9.8
11.8
13.8
9.7
10.3
9.8
8.5
7.3
6.8
8.3
9.3
11.0
10.1
9.6
9.7
10.3
9.8
8.5
7.3
6.8
8.3
9.3
11.0
11.5
10.1
9.6

The average wind speed value in March is 11.5 mph It makes March most windy month of the year.

Average sunny hours
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
9.2
9.1
9.7
7.9
6.6
5.3
3.8
3.9
5.5
6.9
9.1
9.2
9.1
9.7
7.9
6.6
5.7
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 March is: 5.7.

Best time for vacation in Ottawa

Sunniest months:
September 19 days
August 16 days
June 15 days
Warmest months:
August 81.4 °F
July 80.4 °F
June 78.7 °F
Coldest months:
January 29.3 °F
February 33.2 °F
December 37.9 °F
Rainiest months:
June 3 days
March 3 days
May 3 days
Windiest months:
March 11.5 mph
April 11.0 mph
November 10.3 mph

Ottawa on a weather map

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Places in USA:
Name
°F
+41°F
+45°F
+73°F
+73°F
+66°F
+55°F
+72°F
+48°F
+70°F
+57°F
+54°F
+68°F
+70°F
+70°F
+41°F
24 Hours Forecast
Ottawa
Local time: 03:11
April 16, wednesday
0600
34°F
SW
4 mph
0900
45°F
SW
4 mph
1200
54°F
SW
1 mph
1500
59°F
N
2 mph
1800
59°F
NW
5 mph
2100
50°F
NW
8 mph
April 17, thursday
0000
46°F
NW
9 mph
0300
45°F
NW
9 mph
Units of measurement: °C / °F