Current sea water temperature:
+38.5°F
| Minimum sea water temperature in January: | 41.4°F |
| Maximum sea water temperature in January: | 32.0°F |
| Average sea water temperature in January: | 37.6°F |
| more information | |
14 days
forecast
forecast
| Toronto |
monthly
weather
weather
| Toronto |
Sea water temperature for the last 10 days:
| January 1 | 38.5°F | December 27 | 38.8°F |
| December 31 | 38.8°F | December 26 | 39.2°F |
| December 30 | 38.7°F | December 25 | 39.4°F |
| December 29 | 38.7°F | December 24 | 38.5°F |
| December 28 | 38.5°F | December 23 | 38.8°F |
Monthly sea water temperature, °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:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.2°F. The highest and lowest sea temperatures during the month were 77.5°F and 69.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 75.2°F and 61.0°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.
current
weather
weather
| Toronto |
weather in
January
January
| Toronto |
Best time for vacation in Toronto
Toronto on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Toronto
Local time: 04:02
January 01, thursday
0600

0°F
SE
11 mph
11 mph
0900

10°F
E
9 mph
9 mph
1200

16°F
E
9 mph
9 mph
1500

19°F
E
16 mph
16 mph
1800

18°F
E
14 mph
14 mph
2100

16°F
NE
15 mph
15 mph
January 02, friday
0000

16°F
E
13 mph
13 mph
0300

18°F
E
12 mph
12 mph



























