World Resorts Canada Toronto Weather

Toronto sea water temperature

Current sea water temperature:
+69.6°F
Minimum sea water temperature in August: 77.5°F
Maximum sea water temperature in August: 32.0°F
Average sea water temperature in August: 67.4°F

Sea water temperature for the last 10 days:

August 26 69.6°F August 21 70.5°F
August 25 70.2°F August 20 70.9°F
August 24 71.1°F August 19 70.9°F
August 23 71.2°F August 18 71.1°F
August 22 70.5°F August 17 70.7°F

When is the warmest sea in Toronto?

Based on the data about daily sea water temperature for the last three years the warmest sea in Toronto was noticed in August, July and September.

Monthly Sea Temperatures in Toronto, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 69.1°F. The highest and lowest sea temperatures during the month were 72.3°F and 61.3°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 65.0°F. The highest and lowest sea temperatures during the month were 73.2°F and 57.0°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 69.3°F and 58.5°F.

Best time for vacation in Toronto

Sunniest months:
July 17 days
August 17 days
June 15 days
Warmest months:
July 79.8 °F
August 78.3 °F
June 72.3 °F
Warmest sea temp:
August 67.5 °F
July 64.9 °F
September 64.7 °F
Coldest months:
January 27.2 °F
February 28.3 °F
December 34.6 °F
Rainiest months:
June 4 days
October 4 days
April 4 days
Windiest months:
January 11.3 mph
February 11.0 mph
November 10.8 mph

Toronto on a weather map

Toronto
+72°F
N 7 mph
Feels like: +77°F
Precip.: 24%
Places in Canada:
Name
°F
+72°F
+63°F
+63°F
+72°F
+68°F
+57°F
+70°F
+75°F
+77°F
+73°F
+63°F
+77°F
+70°F
+72°F
24 Hours Forecast
Toronto
Local time: 12:21
August 26, wednesday
1500
77°F
NW
11 mph
1800
77°F
N
11 mph
2100
70°F
NW
6 mph
August 27, thursday
0000
68°F
N
6 mph
0300
66°F
N
6 mph
0600
64°F
NE
5 mph
0900
66°F
NE
8 mph
1200
77°F
E
11 mph
Units of measurement: °C / °F