World Resorts Canada Montreal Weather

Montreal sea water temperature

Current sea water temperature:
+60.8°F
Minimum sea water temperature in October: 69.1°F
Maximum sea water temperature in October: 32.0°F
Average sea water temperature in October: 57.6°F

Sea water temperature for the last 10 days:

October 5 60.8°F September 30 62.1°F
October 4 61.5°F September 29 62.1°F
October 3 62.2°F September 28 61.7°F
October 2 62.1°F September 27 61.7°F
October 1 62.2°F September 26 61.9°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 75.0°F. The highest and lowest sea temperatures during the month were 78.1°F and 71.6°F.

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 74.6°F. The highest and lowest sea temperatures during the month were 77.5°F and 71.8°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 72.5°F and 61.7°F.

Best time for vacation in Montreal

Sunniest months:
July 14 days
August 14 days
June 13 days
Warmest months:
July 79.3 °F
August 77.2 °F
June 72.9 °F
Warmest sea temp:
August 72.0 °F
July 71.9 °F
September 66.7 °F
Coldest months:
January 19.6 °F
February 22.1 °F
December 27.5 °F
Rainiest months:
June 5 days
May 5 days
July 5 days
Windiest months:
April 9.6 mph
March 9.1 mph
February 8.9 mph

Montreal on a weather map

Montreal
+54°F
E 17 mph
Feels like: +48°F
Precip.: 11%
Places in Canada:
Name
°F
+59°F
+57°F
+61°F
+61°F
+54°F
+55°F
+54°F
+61°F
+61°F
+48°F
+50°F
+55°F
+57°F
+59°F
24 Hours Forecast
Montreal
Local time: 16:10
October 05, monday
1800
48°F
E
17 mph
2100
45°F
E
15 mph
October 06, tuesday
0000
43°F
E
15 mph
0300
43°F
E
14 mph
0600
43°F
E
14 mph
0900
45°F
E
14 mph
1200
50°F
E
14 mph
1500
54°F
E
12 mph
Units of measurement: °C / °F