World Resorts Canada Hamilton Weather

Hamilton Sea Temperature in December

Average sea water temperature in December:
+40.9°F
Minimum sea water temperature in December: 46.8°F
Maximum sea water temperature in December: 37.8°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 39.3°F. The highest and lowest sea temperatures during the month were 41.7°F and 37.9°F.

Monthly sea water temperature in Hamilton, °F

Which Canada resorts have warmest sea in December?

Place name December 2025 December 2024
Tofino 49.4°F 48.7°F
Victoria 48.6°F 47.9°F
Surrey 47.3°F 46.3°F
Nanaimo 47.0°F 46.7°F
North Vancouver 46.3°F 46.3°F
Vancouver 46.3°F 46.3°F
Saint John 44.7°F 44.5°F
Saint Andrews 43.0°F 43.5°F
Halifax 41.7°F 41.3°F
Montreal 41.4°F 40.0°F
Lunenburg 40.8°F 41.3°F
Kingston 40.0°F 43.2°F
Niagara-on-the-Lake 39.9°F 42.9°F
Hamilton 39.3°F 42.2°F
Sydney 39.2°F 40.4°F
Mississauga 39.2°F 41.9°F
Toronto 39.1°F 41.6°F
Barrie 39.0°F 40.7°F
Oshawa 38.4°F 39.7°F
Corner Brook 38.1°F 36.3°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
+16°F
E 11 mph
Feels like: +3°F
Precip.: 0%
Places in Canada:
Name
°F
+46°F
+45°F
+9°F
+14°F
-13°F
-6°F
+18°F
+7°F
+14°F
+1°F
+9°F
+34°F
+19°F
+16°F
24 Hours Forecast
Hamilton
Local time: 07:12
January 03, saturday
0900
19°F
E
10 mph
1200
23°F
E
10 mph
1500
25°F
NE
9 mph
1800
25°F
NE
11 mph
2100
23°F
E
10 mph
January 04, sunday
0000
23°F
NE
10 mph
0300
23°F
E
10 mph
0600
23°F
E
11 mph
Units of measurement: °C / °F