World Resorts Canada Niagara-on-the-Lake Weather

Niagara-on-the-Lake Sea Temperature in August

Average sea water temperature in August:
+74.1°F
Minimum sea water temperature in August: 78.1°F
Maximum sea water temperature in August: 67.6°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 77.7°F and 70.0°F.

Monthly sea water temperature in Niagara-on-the-Lake, °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 Niagara-on-the-Lake

Sunniest months:
September 14 days
August 12 days
July 12 days
Warmest months:
July 78.2 °F
August 77.0 °F
June 72.6 °F
Warmest sea temp:
August 74.1 °F
July 73.2 °F
September 69.6 °F
Coldest months:
January 29.2 °F
February 30.1 °F
December 35.9 °F
Rainiest months:
July 3 days
April 3 days
October 2 days
Windiest months:
January 11.9 mph
February 11.9 mph
December 11.8 mph

Niagara-on-the-Lake on a weather map

Niagara-on-the-Lake
+16°F
E 29 mph
Feels like: -2°F
Precip.: 0%
Places in Canada:
Name
°F
+48°F
+48°F
0°F
+55°F
+28°F
+16°F
+59°F
+23°F
+14°F
+14°F
+48°F
+39°F
+48°F
+12°F
24 Hours Forecast
Niagara-on-the-Lake
Local time: 08:17
March 17, tuesday
0900
16°F
E
29 mph
1200
19°F
E
27 mph
1500
23°F
E
24 mph
1800
23°F
E
23 mph
2100
21°F
E
16 mph
March 18, wednesday
0000
23°F
E
15 mph
0300
23°F
E
11 mph
0600
21°F
E
7 mph
Units of measurement: °C / °F