Weather in Ottawa: July
| Average day temperature: | 78.5°F | |
| Average night temperature: | 62.8°F | |
| Number of sunny days: | 14 days | |
| Day length: | 14.8 - 15.6 hours | |
| Number of rainy days: | 4 days | |
| Precipitation totals: | 2.2 in. | |
| more information | ||
14 days
forecast
forecast
| Ottawa |
weather in
August
August
| Ottawa |
Air temperature in July, °F
Show year:
2025
2024
2023
The highest day temperature during July of 2025 was 93°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during July were 82.7°F and 66.2°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in July is almost equal.
Precipitation total in July, in.
Precipitation total value in Ottawa in July is 2.5 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 6.6 mph It makes July one of the least windy months of the year.
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 July is: 8.7.
Best time for vacation in Ottawa
Ottawa on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Ottawa
Local time: 05:03
December 05, friday
0600

-6°F
N
5 mph
5 mph
0900

-2°F
N
6 mph
6 mph
1200

9°F
N
10 mph
10 mph
1500

18°F
N
11 mph
11 mph
1800

19°F
N
9 mph
9 mph
2100

23°F
N
7 mph
7 mph
December 06, saturday
0000

23°F
NW
4 mph
4 mph
0300

23°F
NW
6 mph
6 mph



























