World Resorts Canada Hamilton Weather

Hamilton Sea Temperature in December

Average sea water temperature in December:
+41.0°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 39.6°F. The highest and lowest sea temperatures during the month were 41.7°F and 38.7°F.

Monthly sea water temperature in Hamilton, °F

Which Canada resorts have warmest sea in December?

Place name December 2025 December 2024
Tofino 49.7°F 48.7°F
Victoria 48.7°F 47.9°F
Surrey 47.6°F 46.3°F
Nanaimo 47.3°F 46.7°F
North Vancouver 46.6°F 46.3°F
Vancouver 46.5°F 46.3°F
Saint John 45.7°F 44.5°F
Saint Andrews 44.1°F 43.5°F
Montreal 42.9°F 40.0°F
Halifax 42.8°F 41.3°F
Lunenburg 42.1°F 41.3°F
Kingston 41.1°F 43.2°F
Barrie 40.8°F 40.7°F
Niagara-on-the-Lake 40.7°F 42.9°F
Sydney 40.4°F 40.4°F
Niagara Falls 39.8°F 42.2°F
Hamilton 39.6°F 42.2°F
Mississauga 39.3°F 41.9°F
Corner Brook 39.3°F 36.3°F
Toronto 39.3°F 41.6°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 36.4 °F
Rainiest months:
April 3 days
July 2 days
June 2 days
Windiest months:
November 10.6 mph
February 10.5 mph
March 10.4 mph

Hamilton on a weather map

Hamilton
+23°F
NE 8 mph
Feels like: +14°F
Precip.: 0%
Places in Canada:
Name
°F
+37°F
+39°F
+1°F
+43°F
-11°F
+16°F
+18°F
+16°F
+21°F
+16°F
+32°F
+45°F
+46°F
+21°F
24 Hours Forecast
Hamilton
Local time: 05:52
December 20, saturday
0600
23°F
NE
8 mph
0900
25°F
N
6 mph
1200
30°F
N
16 mph
1500
39°F
N
19 mph
1800
39°F
NE
22 mph
2100
36°F
NE
24 mph
December 21, sunday
0000
36°F
E
21 mph
0300
34°F
E
23 mph
Units of measurement: °C / °F