Current sea water temperature:
+34.9°F
| Minimum sea water temperature in April: | 45.7°F |
| Maximum sea water temperature in April: | 34.3°F |
| Average sea water temperature in April: | 40.3°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:
| April 6 | 34.9°F | April 1 | 34.3°F |
| April 5 | 34.9°F | March 31 | 34.3°F |
| April 4 | 34.3°F | March 30 | 37.6°F |
| April 3 | 34.3°F | March 29 | 35.8°F |
| April 2 | 35.1°F | March 28 | 36.0°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
April
April
| 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: 19:30
April 06, monday
2100
37°F
N
4 mph
4 mph
April 07, tuesday
0000
37°F
NE
14 mph
14 mph
0300
34°F
E
22 mph
22 mph
0600
32°F
SE
17 mph
17 mph
0900
28°F
S
22 mph
22 mph
1200
30°F
SE
16 mph
16 mph
1500
37°F
S
12 mph
12 mph
1800
37°F
S
10 mph
10 mph
