World Resorts Canada Hamilton Weather

Hamilton sea water temperature

Current sea water temperature:
+55.2°F
Minimum sea water temperature in June: 70.9°F
Maximum sea water temperature in June: 49.5°F
Average sea water temperature in June: 59.3°F

Sea water temperature for the last 10 days:

June 6 55.2°F May 31 50.7°F
June 5 55.6°F May 30 51.3°F
June 4 54.0°F May 29 50.4°F
June 3 54.0°F May 28 49.3°F
June 1 50.7°F May 27 48.0°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 28.8 °F
February 29.8 °F
December 35.4 °F
Rainiest months:
April 2 days
July 2 days
June 2 days
Windiest months:
December 10.6 mph
November 10.6 mph
January 10.5 mph

Hamilton on a weather map

Hamilton
+73°F
E 7 mph
Feels like: +77°F
Precip.: 1%
Places in Canada:
Name
°F
+45°F
+61°F
+59°F
+81°F
+52°F
+73°F
+63°F
+68°F
+66°F
+45°F
+66°F
+72°F
+54°F
24 Hours Forecast
Hamilton
Local time: 20:40
June 06, saturday
2100
73°F
E
7 mph
June 07, sunday
0000
66°F
SE
8 mph
0300
59°F
SE
6 mph
0600
59°F
SE
5 mph
0900
63°F
S
8 mph
1200
68°F
S
8 mph
1500
72°F
SW
8 mph
1800
70°F
W
4 mph
Units of measurement: °C / °F