World Resorts Canada Ottawa Weather

Ottawa weather in May

Weather in Ottawa: May

Average day temperature: 63.1°F
Average night temperature: 49.1°F
Number of sunny days: 12 days
Day length: 14.3 - 15.4 hours
Number of rainy days: 5 days
Precipitation totals: 2.7 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 79°F. At the same time the lowest night temperature was 41°F. Day and night temperature averages during May were 63.2°F and 50.8°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Ottawa in May is 3.0 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.1 mph

Average sunny hours

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 May is: 8.5.

Best time for vacation in Ottawa

Sunniest months:
July 14 days
August 14 days
September 12 days
Warmest months:
July 78.2 °F
August 76.2 °F
June 71.5 °F
Coldest months:
January 19.0 °F
February 21.5 °F
December 27.3 °F
Rainiest months:
June 6 days
April 6 days
August 5 days
Windiest months:
April 9.8 mph
March 9.0 mph
February 8.8 mph

Ottawa on a weather map

Ottawa
+7°F
SE 11 mph
Feels like: -9°F
Precip.: 0%
Places in Canada:
Name
°F
+46°F
+48°F
+10°F
+23°F
+1°F
+7°F
+9°F
+19°F
+9°F
+16°F
+7°F
+18°F
+36°F
+12°F
24 Hours Forecast
Ottawa
Local time: 00:45
December 22, sunday
0300
5°F
SE
10 mph
0600
5°F
SE
9 mph
0900
7°F
SE
8 mph
1200
14°F
SE
6 mph
1500
18°F
SE
4 mph
1800
18°F
E
2 mph
2100
12°F
NE
2 mph
December 23, monday
0000
10°F
N
4 mph
Units of measurement: °C / °F