Current sea water temperature:
+38.1°F
| Minimum sea water temperature in January: | 41.4°F |
| Maximum sea water temperature in January: | 35.2°F |
| Average sea water temperature in January: | 38.3°F |
| more information | |
14 days
forecast
forecast
| Niagara-on-the-Lake |
monthly
weather
weather
| Niagara-on-the-Lake |
Sea water temperature for the last 10 days:
| January 2 | 38.1°F | December 28 | 37.8°F |
| January 1 | 38.3°F | December 27 | 38.3°F |
| December 31 | 38.1°F | December 26 | 38.7°F |
| December 30 | 38.1°F | December 25 | 38.3°F |
| December 29 | 37.9°F | December 24 | 38.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Niagara-on-the-Lake?
Based on the data about daily sea water temperature for the last three years the warmest sea in Niagara-on-the-Lake was noticed in August, July and September.
Monthly Sea Temperatures in Niagara-on-the-Lake, °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 77.7°F and 70.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 74.3°F. The highest and lowest sea temperatures during the month were 78.4°F and 67.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.0°F and 65.7°F.
current
weather
weather
| Niagara-on-the-Lake |
weather in
January
January
| Niagara-on-the-Lake |
Best time for vacation in Niagara-on-the-Lake
Niagara-on-the-Lake on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 07:15
January 02, friday
0900
18°F
E
14 mph
14 mph
1200
19°F
E
16 mph
16 mph
1500
21°F
E
16 mph
16 mph
1800
21°F
E
17 mph
17 mph
2100
19°F
E
15 mph
15 mph
January 03, saturday
0000
19°F
E
13 mph
13 mph
0300
19°F
E
13 mph
13 mph
0600
19°F
E
14 mph
14 mph
