World Resorts Canada Hamilton Weather

Hamilton Sea Temperature in August

Average sea water temperature in August:
+71.2°F
Minimum sea water temperature in August: 77.9°F
Maximum sea water temperature in August: 62.1°F

Daily 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.

Monthly sea water temperature in Hamilton, °F

Which Canada resorts have warmest sea in August?

Place name August 2025 August 2024
Niagara-on-the-Lake 74.7°F 73.8°F
Montreal 74.7°F 74.6°F
Windsor 74.3°F 74.4°F
Hamilton 73.8°F 72.3°F
Mississauga 73.4°F 71.1°F
Toronto 73.2°F 70.9°F
Kingston 73.2°F 73.3°F
Quebec 73.1°F 72.2°F
Oshawa 73.1°F 70.4°F
Niagara Falls 72.9°F 71.7°F
Barrie 72.6°F 72.0°F
Summerside 70.2°F 70.6°F
Winnipeg 69.0°F 72.0°F
Charlottetown 68.9°F 70.3°F
Gimli 68.6°F 71.6°F
Prince Edward Island 67.9°F 70.8°F
Sydney 67.5°F 70.0°F
Les Iles-de-la-Madeleine 65.4°F 68.3°F
Surrey 65.2°F 64.2°F
North Vancouver 65.0°F 64.2°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
+57°F
N 16 mph
Feels like: +54°F
Precip.: 0%
Places in Canada:
Name
°F
+43°F
+43°F
-6°F
+41°F
+30°F
+46°F
+36°F
+43°F
+43°F
+55°F
+39°F
+36°F
+37°F
+54°F
24 Hours Forecast
Hamilton
Local time: 14:54
December 18, thursday
1500
57°F
N
16 mph
1800
48°F
N
14 mph
2100
43°F
N
18 mph
December 19, friday
0000
43°F
N
23 mph
0300
39°F
NE
24 mph
0600
36°F
E
14 mph
0900
32°F
NE
13 mph
1200
32°F
E
18 mph
Units of measurement: °C / °F