Current sea water temperature:
+36.1°F
| Minimum sea water temperature in April: | 45.1°F |
| Maximum sea water temperature in April: | 36.1°F |
| Average sea water temperature in April: | 39.8°F |
| more information | |
14 days
forecast
forecast
| Hamilton |
monthly
weather
weather
| Hamilton |
Sea water temperature for the last 10 days:
| April 6 | 36.1°F | April 1 | 36.5°F |
| April 5 | 36.1°F | March 31 | 36.7°F |
| April 4 | 37.4°F | March 30 | 37.8°F |
| April 3 | 37.4°F | March 29 | 36.0°F |
| April 2 | 37.2°F | March 28 | 36.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Hamilton?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hamilton was noticed in August, July and September.
Monthly Sea Temperatures in Hamilton, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.8°F. The highest and lowest sea temperatures during the month were 76.6°F and 69.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 70.6°F. The highest and lowest sea temperatures during the month were 75.6°F and 63.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.3°F. The highest and lowest sea temperatures during the month were 70.2°F and 60.4°F.
current
weather
weather
| Hamilton |
weather in
April
April
| Hamilton |
Best time for vacation in Hamilton
Hamilton on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Hamilton
Local time: 19:26
April 06, monday
2100
39°F
NE
5 mph
5 mph
April 07, tuesday
0000
36°F
E
17 mph
17 mph
0300
32°F
E
20 mph
20 mph
0600
30°F
SE
21 mph
21 mph
0900
28°F
S
17 mph
17 mph
1200
34°F
SE
12 mph
12 mph
1500
39°F
SE
10 mph
10 mph
1800
41°F
SE
8 mph
8 mph
