World Resorts Canada Montreal Weather

Montreal Sea Temperature in August

Average sea water temperature in August:
+71.7°F
Minimum sea water temperature in August: 79.7°F
Maximum sea water temperature in August: 32.0°F

Daily 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.

Monthly sea water temperature in Montreal, °F

Which Canada resorts have warmest sea in August?

Place name August 2025 August 2024
Niagara-on-the-Lake 74.7°F 73.8°F
Montreal 74.7°F 74.6°F
Windsor 74.3°F 74.4°F
Hamilton 73.8°F 72.3°F
Mississauga 73.4°F 71.1°F
Toronto 73.2°F 70.9°F
Kingston 73.2°F 73.3°F
Quebec 73.1°F 72.2°F
Oshawa 73.1°F 70.4°F
Niagara Falls 72.9°F 71.7°F
Barrie 72.6°F 72.0°F
Summerside 70.2°F 70.6°F
Winnipeg 69.0°F 72.0°F
Charlottetown 68.9°F 70.3°F
Gimli 68.6°F 71.6°F
Prince Edward Island 67.9°F 70.8°F
Sydney 67.5°F 70.0°F
Les Iles-de-la-Madeleine 65.4°F 68.3°F
Surrey 65.2°F 64.2°F
North Vancouver 65.0°F 64.2°F

Best time for vacation in Montreal

Sunniest months:
July 14 days
August 14 days
June 12 days
Warmest months:
July 79.2 °F
August 77.3 °F
June 72.8 °F
Warmest sea temp:
August 71.8 °F
July 71.7 °F
September 66.7 °F
Coldest months:
January 19.7 °F
February 22.1 °F
December 27.9 °F
Rainiest months:
June 5 days
May 5 days
July 5 days
Windiest months:
April 9.6 mph
March 9.1 mph
February 9.0 mph

Montreal on a weather map

Montreal
+3°F
NE 5 mph
Feels like: -6°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+12°F
-8°F
+7°F
-2°F
+3°F
+12°F
-6°F
+25°F
+36°F
+21°F
+16°F
24 Hours Forecast
Montreal
Local time: 05:33
December 05, friday
0600
3°F
NE
5 mph
0900
9°F
N
6 mph
1200
14°F
N
6 mph
1500
19°F
NE
6 mph
1800
18°F
N
4 mph
2100
16°F
N
4 mph
December 06, saturday
0000
16°F
N
5 mph
0300
16°F
N
6 mph
Units of measurement: °C / °F