World Resorts Canada Hamilton Weather

Hamilton sea water temperature

Current sea water temperature:
+38.1°F
Minimum sea water temperature in January: 39.7°F
Maximum sea water temperature in January: 35.2°F
Average sea water temperature in January: 37.9°F

Sea water temperature for the last 10 days:

January 2 38.1°F December 28 37.9°F
January 1 38.3°F December 27 38.3°F
December 31 38.5°F December 26 38.7°F
December 30 38.5°F December 25 38.7°F
December 29 38.5°F December 24 38.5°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.

Best time for vacation in Hamilton

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
July 79.0 °F
August 77.6 °F
June 73.1 °F
Warmest sea temp:
August 71.3 °F
July 69.2 °F
September 67.7 °F
Coldest months:
January 29.3 °F
February 29.9 °F
December 35.4 °F
Rainiest months:
April 3 days
July 2 days
June 2 days
Windiest months:
December 10.6 mph
November 10.6 mph
February 10.5 mph

Hamilton on a weather map

Hamilton
+18°F
E 14 mph
Feels like: +5°F
Precip.: 0%
Places in Canada:
Name
°F
+39°F
+39°F
-9°F
+21°F
-22°F
-9°F
+9°F
-2°F
+16°F
-15°F
+10°F
+36°F
+30°F
+14°F
24 Hours Forecast
Hamilton
Local time: 07:05
January 02, friday
0900
19°F
E
14 mph
1200
23°F
E
15 mph
1500
25°F
E
17 mph
1800
23°F
E
13 mph
2100
19°F
E
11 mph
January 03, saturday
0000
18°F
E
11 mph
0300
18°F
E
11 mph
0600
16°F
E
11 mph
Units of measurement: °C / °F