World Resorts Canada St. John's Weather

St. John's Sea Temperature in July

Average sea water temperature in July:
+52.7°F
Minimum sea water temperature in July: 60.1°F
Maximum sea water temperature in July: 44.2°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 51.1°F. The highest and lowest sea temperatures during the month were 55.9°F and 46.6°F.

Monthly sea water temperature in St. John's, °F

Which Canada resorts have warmest sea in July?

Place name July 2026 July 2025
Windsor 75.4°F 75.4°F
Montreal 75.0°F 75.8°F
Winnipeg 73.5°F 70.7°F
Niagara-on-the-Lake 72.8°F 74.3°F
Kingston 71.6°F 72.3°F
Barrie 71.6°F 70.7°F
Niagara Falls 71.6°F 72.5°F
Quebec 71.2°F 69.7°F
Gimli 71.2°F 69.7°F
Summerside 67.4°F 68.7°F
Hamilton 67.2°F 70.6°F
Charlottetown 65.4°F 66.1°F
Mississauga 65.2°F 68.7°F
Toronto 65.0°F 68.5°F
Prince Edward Island 64.7°F 66.5°F
North Vancouver 64.0°F 65.1°F
Vancouver 63.8°F 64.9°F
Surrey 63.7°F 65.4°F
Nanaimo 63.3°F 64.8°F
Oshawa 62.9°F 67.1°F

Best time for vacation in St. John's

Sunniest months:
August 8 days
September 7 days
July 7 days
Warmest months:
August 66.0 °F
July 64.5 °F
September 60.3 °F
Warmest sea temp:
August 58.8 °F
September 57.0 °F
July 52.7 °F
Coldest months:
February 28.1 °F
January 30.2 °F
March 31.7 °F
Rainiest months:
November 6 days
August 3 days
May 3 days
Windiest months:
February 16.4 mph
March 15.4 mph
January 15.3 mph

St. John's on a weather map

St. John's
+77°F
SE 5 mph
Feels like: +79°F
Precip.: 12%
Places in Canada:
Name
°F
+75°F
+68°F
+66°F
+72°F
+73°F
+63°F
+79°F
+77°F
+81°F
+81°F
+59°F
+72°F
+73°F
+77°F
24 Hours Forecast
St. John's
Local time: 15:12
August 26, wednesday
1800
72°F
NE
4 mph
2100
66°F
E
7 mph
August 27, thursday
0000
63°F
E
6 mph
0300
61°F
E
7 mph
0600
59°F
E
7 mph
0900
68°F
E
9 mph
1200
75°F
E
8 mph
1500
75°F
SE
6 mph
Units of measurement: °C / °F