Weather in Ottawa in Summer
| June | July | August | ||||
| Average day temperature: | ||||||
| Average day temperature: | 79.6°F | 81.2°F | 81.6°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 64.1°F | 67.0°F | 64.9°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 14 days | 11 days | 15 days | |||
| Day length: | ||||||
| Day length: | 15.0 - 15.2 h. | 14.4 - 15.1 h. | 13.1 - 14.4 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 3 days | 2 days | 2 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 1.3 in. | 1.2 in. | 0.6 in. | |||
Day & Night air temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Ottawa
Ottawa on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Ottawa
Local time: 09:48
May 19, tuesday
1200
81°F
NE
21 mph
21 mph
1500
72°F
SE
14 mph
14 mph
1800
64°F
SE
14 mph
14 mph
2100
57°F
SE
11 mph
11 mph
May 20, wednesday
0000
54°F
S
9 mph
9 mph
0300
50°F
S
9 mph
9 mph
0600
48°F
S
9 mph
9 mph
0900
52°F
SW
12 mph
12 mph
