Current sea water temperature:
+76.6°F
| Minimum sea water temperature in July: | 79.3°F |
| Maximum sea water temperature in July: | 32.0°F |
| Average sea water temperature in July: | 71.9°F |
| more information | |
14 days
forecast
forecast
| Montreal |
monthly
weather
weather
| Montreal |
Sea water temperature for the last 10 days:
| July 17 | 76.6°F | July 12 | 77.7°F |
| July 16 | 76.8°F | July 11 | 78.1°F |
| July 15 | 77.2°F | July 10 | 77.7°F |
| July 14 | 78.1°F | July 9 | 77.2°F |
| July 13 | 77.7°F | July 8 | 76.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Montreal?
Based on the data about daily sea water temperature for the last three years the warmest sea in Montreal was noticed in July, August and September.
Monthly Sea Temperatures in Montreal, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.7°F. The highest and lowest sea temperatures during the month were 78.1°F and 74.5°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 79.2°F and 68.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.7°F. The highest and lowest sea temperatures during the month were 69.6°F and 64.2°F.
current
weather
weather
| Montreal |
weather in
July
July
| Montreal |
Best time for vacation in Montreal
Montreal on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Montreal
Local time: 08:06
July 17, friday
0900
63°F
E
5 mph
5 mph
1200
77°F
E
9 mph
9 mph
1500
82°F
E
13 mph
13 mph
1800
81°F
NE
11 mph
11 mph
2100
68°F
NE
6 mph
6 mph
July 18, saturday
0000
64°F
NE
6 mph
6 mph
0300
61°F
N
5 mph
5 mph
0600
59°F
N
4 mph
4 mph
