Please click on any column to get detailed information about Ottawa weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
37.9
49.0
62.8
77.9
81.4
80.4
78.7
68.7
56.0
48.5
33.2
29.3
30.7
39.7
49.9
59.8
65.6
66.7
63.9
55.4
44.6
37.7
24.4
22.8
| Day temperature | Night temperature |
The warmest month in Ottawa is august. The average daily temp is 81.4°F. The average nightly temp is 65.6°F.
Precipitation total, 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
0.6
0.4
1
0.6
0.8
1.5
1.6
1.7
1.6
1.2
0.5
1
Number of rainy days
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
4
2
1
1
1
2
3
3
3
2
3
1
2
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
13
9.7
10.3
9.8
8.5
7.3
6.8
8.3
9.3
11
11.5
10.1
9.6
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
15
8
9
5
4
7
6
10
14
14
12
18
8
8
8
7
11
12
9
12
7
9
9
7
8
14
14
19
16
12
15
10
9
9
8
6
| Cloudy days | Partly cloudy days | Sunny days |
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
3.9
5.5
6.9
9.1
9.2
9.1
9.7
7.9
6.6
5.7
5.3
3.8
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.
* Charts above show average data for the last 3 years.
Best time for vacation in Ottawa
Ottawa on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Ottawa
Local time: 05:45
April 22, tuesday
0600
45°F
NW
7 mph
7 mph
0900
55°F
N
12 mph
12 mph
1200
68°F
NE
16 mph
16 mph
1500
72°F
NE
16 mph
16 mph
1800
68°F
NE
11 mph
11 mph
2100
63°F
NE
7 mph
7 mph
April 23, wednesday
0000
61°F
NE
5 mph
5 mph
0300
57°F
SW
2 mph
2 mph
