World Resorts Canada St. John's Weather

St. John's Sea Temperature in July

Average sea water temperature in July:
+53.0°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:
2025
2024
2023

The average sea water temperature in July of 2025 was 53.0°F. The highest and lowest sea temperatures during the month were 57.7°F and 47.3°F.

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

Which Canada resorts have warmest sea in July?

Place name July 2025 July 2024
Montreal 75.8°F 75.3°F
Windsor 75.4°F 73.1°F
Niagara-on-the-Lake 74.3°F 73.2°F
Niagara Falls 72.5°F 71.4°F
Kingston 72.3°F 72.2°F
Winnipeg 70.7°F 70.8°F
Barrie 70.7°F 68.9°F
Hamilton 70.6°F 68.6°F
Quebec 69.7°F 72.2°F
Gimli 69.7°F 69.1°F
Mississauga 68.7°F 67.6°F
Summerside 68.7°F 69.6°F
Toronto 68.5°F 68.1°F
Oshawa 67.1°F 67.0°F
Prince Edward Island 66.5°F 68.0°F
Charlottetown 66.1°F 66.8°F
Surrey 65.4°F 66.2°F
North Vancouver 65.1°F 64.9°F
Vancouver 64.9°F 64.7°F
Nanaimo 64.8°F 65.2°F

Best time for vacation in St. John's

Sunniest months:
August 9 days
September 7 days
July 7 days
Warmest months:
August 66.1 °F
July 64.5 °F
September 60.3 °F
Warmest sea temp:
August 59.3 °F
September 57.0 °F
July 53.0 °F
Coldest months:
February 27.8 °F
January 30.2 °F
March 31.7 °F
Rainiest months:
November 6 days
August 3 days
May 3 days
Windiest months:
February 16.5 mph
March 15.3 mph
January 15.0 mph

St. John's on a weather map

St. John's
+37°F
NW 17 mph
Feels like: +27°F
Precip.: 100%
Places in Canada:
Name
°F
+43°F
+45°F
+12°F
+10°F
-6°F
+9°F
-4°F
+3°F
+14°F
0°F
+25°F
+37°F
+19°F
+14°F
24 Hours Forecast
St. John's
Local time: 05:51
December 05, friday
0600
37°F
NW
17 mph
0900
36°F
NW
16 mph
1200
27°F
E
34 mph
1500
21°F
E
31 mph
1800
21°F
E
34 mph
2100
23°F
E
40 mph
December 06, saturday
0000
23°F
E
40 mph
0300
21°F
E
39 mph
Units of measurement: °C / °F