Current sea water temperature:
+67.3°F
| Minimum sea water temperature in August: | 77.9°F |
| Maximum sea water temperature in August: | 62.1°F |
| Average sea water temperature in August: | 71.1°F |
| more information | |
14 days
forecast
forecast
| Hamilton |
monthly
weather
weather
| Hamilton |
Sea water temperature for the last 10 days:
| August 6 | 67.3°F | August 1 | 64.0°F |
| August 5 | 65.7°F | July 31 | 62.2°F |
| August 4 | 67.3°F | July 30 | 62.2°F |
| August 3 | 64.0°F | July 29 | 66.0°F |
| August 2 | 64.8°F | July 28 | 62.6°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.2°F. The highest and lowest sea temperatures during the month were 73.4°F and 60.6°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
August
August
| Hamilton |
Best time for vacation in Hamilton
Hamilton on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Hamilton
Local time: 10:33
August 06, thursday
1200
90°F
NE
6 mph
6 mph
1500
82°F
E
8 mph
8 mph
1800
79°F
SE
9 mph
9 mph
2100
72°F
E
5 mph
5 mph
August 07, friday
0000
72°F
E
4 mph
4 mph
0300
70°F
E
4 mph
4 mph
0600
66°F
E
3 mph
3 mph
0900
73°F
N
2 mph
2 mph
