World Resorts Canada Saint John Weather

Saint John Sea Temperature in June

Average sea water temperature in June:
+50.8°F
Minimum sea water temperature in June: 60.1°F
Maximum sea water temperature in June: 45.0°F

Daily sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 48.9°F. The highest and lowest sea temperatures during the month were 51.3°F and 45.3°F.

Monthly sea water temperature in Saint John, °F

Which Canada resorts have warmest sea in June?

Place name June 2026 June 2025
Montreal 69.2°F 68.2°F
Windsor 66.2°F 65.1°F
Quebec 64.1°F 62.7°F
Niagara-on-the-Lake 63.3°F 58.4°F
Winnipeg 62.5°F 63.0°F
Surrey 62.5°F 60.7°F
Niagara Falls 62.0°F 60.4°F
Nanaimo 61.1°F 58.8°F
North Vancouver 60.8°F 59.5°F
Vancouver 60.6°F 59.4°F
Kingston 60.2°F 59.6°F
Gimli 58.8°F 61.4°F
Barrie 57.1°F 58.5°F
Charlottetown 54.9°F 57.3°F
Summerside 54.6°F 59.7°F
Hamilton 54.4°F 55.5°F
Tofino 54.4°F 54.2°F
Moncton 53.0°F 53.9°F
Halifax 52.4°F 52.0°F
Prince Edward Island 52.3°F 55.7°F

Best time for vacation in Saint John

Sunniest months:
September 10 days
October 10 days
August 9 days
Warmest months:
July 72.4 °F
August 71.8 °F
June 67.7 °F
Warmest sea temp:
August 59.6 °F
September 58.4 °F
July 56.6 °F
Coldest months:
January 25.6 °F
February 26.3 °F
December 32.4 °F
Rainiest months:
July 3 days
October 3 days
May 2 days
Windiest months:
March 9.0 mph
December 9.0 mph
February 8.6 mph

Saint John on a weather map

Saint John
+75°F
NE 4 mph
Feels like: +79°F
Precip.: 8%
Places in Canada:
Name
°F
+77°F
+66°F
+66°F
+68°F
+90°F
+54°F
+84°F
+82°F
+91°F
+86°F
+75°F
+77°F
+84°F
+86°F
24 Hours Forecast
Saint John
Local time: 12:27
August 06, thursday
1500
81°F
NE
8 mph
1800
77°F
NE
6 mph
2100
64°F
NE
5 mph
August 07, friday
0000
64°F
NE
2 mph
0300
63°F
NE
3 mph
0600
61°F
NE
2 mph
0900
72°F
NE
2 mph
1200
72°F
NE
4 mph
Units of measurement: °C / °F