World Resorts Canada Hamilton Weather

Hamilton Sea Temperature in May

Average sea water temperature in May:
+47.6°F
Minimum sea water temperature in May: 60.3°F
Maximum sea water temperature in May: 41.4°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 47.0°F. The highest and lowest sea temperatures during the month were 50.9°F and 42.8°F.

Monthly sea water temperature in Hamilton, °F

Which Canada resorts have warmest sea in May?

Place name May 2025 May 2024
Montreal 56.6°F 60.4°F
Surrey 56.6°F 55.1°F
North Vancouver 55.9°F 54.1°F
Vancouver 55.7°F 54.1°F
Windsor 55.6°F 56.7°F
Nanaimo 54.8°F 53.9°F
Tofino 52.0°F 51.7°F
Victoria 48.9°F 49.0°F
Niagara Falls 48.9°F 54.2°F
Niagara-on-the-Lake 48.1°F 53.2°F
Kingston 48.0°F 53.4°F
Quebec 48.0°F 51.2°F
Summerside 47.2°F 47.3°F
Hamilton 47.0°F 51.7°F
Lunenburg 46.2°F 46.8°F
Charlottetown 45.5°F 47.1°F
Mississauga 45.3°F 50.9°F
Barrie 45.2°F 51.2°F
Halifax 45.2°F 44.6°F
Moncton 45.0°F 45.7°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
+16°F
N 4 mph
Feels like: +7°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+12°F
-8°F
+7°F
-2°F
+3°F
+12°F
-6°F
+25°F
+36°F
+21°F
+16°F
24 Hours Forecast
Hamilton
Local time: 05:29
December 05, friday
0600
16°F
N
4 mph
0900
19°F
N
4 mph
1200
27°F
NE
11 mph
1500
30°F
NE
11 mph
1800
30°F
NE
9 mph
2100
30°F
NE
11 mph
December 06, saturday
0000
30°F
NE
10 mph
0300
32°F
NE
12 mph
Units of measurement: °C / °F