World Resorts Canada Montreal Weather

Montreal weather in August

Weather in Montreal: August

Average day temperature: 77.1°F
Average night temperature: 63.1°F
Sea water temperature: 71.5°F
Number of sunny days: 14 days
Day length: 13.3 - 14.7 hours
Number of rainy days: 5 days
Precipitation totals: 3.3 in.

Air temperature in August, °F

Show year:
2024
2023
2022
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3
5
7
9
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17
19
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25
27
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31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during August of 2024 was 86°F. At the same time the lowest night temperature was 52°F. Daily and nightly averages during August were 72.9°F and 62.8°F.

Sea water temperature in Montreal in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
65
68
71
74
77
80
83
86

The average sea water temperature in August of 2024 was 74.6°F. The highest and lowest sea temperatures during the month were 79.7°F and 70.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
39%
32%
29%

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

Precipitation total in August, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.3
2.0
2.7
3.4
4.0
4.7
2.3
2.5
3.2
2.3
3.2
3.2
2.9
3.9
2.7
2.9
3.1
2.3
2.5
3.2
2.3
3.6
3.2
3.2
2.9
3.9
2.7
2.9
3.1

Precipitation total value in Montreal in August is 3.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
2.9
4.4
5.9
7.4
8.8
10.3
11.8
8.1
8.1
7.6
6.7
7.2
7.6
7.7
8.6
8.6
8.5
7.7
8.1
8.1
7.6
6.7
6.8
7.2
7.6
7.7
8.6
8.6
8.5
7.7

The average wind speed value in August is 6.8 mph It makes August one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.7
7.2
8.6
10.1
3.1
4.2
5.0
6.4
8.4
7.8
8.1
5.6
4.4
3.5
3.0
3.1
4.2
5.0
6.4
7.3
8.4
7.8
8.1
5.6
4.4
3.5
3.0

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 August is: 7.3.

Best time for vacation in Montreal

Sunniest months:
July 14 days
August 14 days
June 12 days
Warmest months:
July 78.9 °F
August 77.1 °F
June 72.5 °F
Warmest sea temp:
August 71.6 °F
July 71.4 °F
September 66.7 °F
Coldest months:
January 19.7 °F
February 22.1 °F
December 27.9 °F
Rainiest months:
May 6 days
July 6 days
June 5 days
Windiest months:
April 9.7 mph
March 9.1 mph
February 9.0 mph

Montreal on a weather map

Leaflet | Tiles © Esri
Places in Canada:
Name
°F
+41°F
+43°F
+23°F
+46°F
+10°F
+30°F
+28°F
+43°F
+32°F
+25°F
+41°F
+41°F
+48°F
+28°F
24 Hours Forecast
Montreal
Local time: 07:37
April 01, tuesday
0900
28°F
SE
13 mph
1200
32°F
SE
13 mph
1500
36°F
SE
14 mph
1800
34°F
SE
14 mph
2100
27°F
NE
7 mph
April 02, wednesday
0000
25°F
S
6 mph
0300
23°F
SW
6 mph
0600
23°F
W
7 mph
Units of measurement: °C / °F