Weather in Montreal in Summer
June | July | August | ||||
Average day temperature: | 72.5°F | 78.9°F | 77.1°F | |||
Average night temperature: | 58.9°F | 64.5°F | 63.1°F | |||
Sea water temperature: | 64.3°F | 71.4°F | 71.5°F | |||
Number of sunny days: | 12 days | 14 days | 14 days | |||
Day length: | 15.4 - 15.7 h. | 14.8 - 15.6 h. | 13.3 - 14.7 h. | |||
Number of rainy days: | 5 days | 6 days | 5 days | |||
Precipitation totals: | 3.2 in. | 2.8 in. | 3.3 in. |
current
weather
weather
Montreal |
monthly
weather
weather
Montreal |
sea water
temperature
temperature
Montreal |
14 days
forecast
forecast
Montreal |
Day & Night air temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
76.5
78.5
71.9
64.3
65.7
60.0
Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
12
24
36
48
60
72
84
96
71.5
71.4
64.3
Precipitation total, in.
June
July
August
0.0
0.6
1.2
1.8
2.5
3.1
3.7
4.3
3.6
3.2
3.2
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
9
8
11
10
12
9
12
11
10
Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
Montreal |
weather in
spring
spring
Montreal |
weather in
summer
summer
Montreal |
weather in
autumn
autumn
Montreal |
Wind speed, mph
June
July
August
0.0
1.3
2.6
3.9
5.2
6.5
7.8
9.1
6.8
7.2
7.6
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
7.3
8.4
7.8
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.
Best time for vacation in Montreal
Montreal on a weather map
Leaflet | Tiles © Esri
Places in Canada:
Name
°F
24 Hours Forecast
Montreal
Local time: 06:30
April 01, tuesday
0900

28°F
SE
13 mph
13 mph
1200

32°F
SE
13 mph
13 mph
1500

36°F
SE
14 mph
14 mph
1800

34°F
SE
14 mph
14 mph
2100

27°F
NE
7 mph
7 mph
April 02, wednesday
0000

25°F
S
6 mph
6 mph
0300

23°F
SW
6 mph
6 mph
0600

23°F
W
7 mph
7 mph