World Resorts Canada Thunder Bay Weather

Thunder Bay Sea Temperature in June

Average sea water temperature in June:
+47.8°F
Minimum sea water temperature in June: 63.7°F
Maximum sea water temperature in June: 37.4°F

Daily sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 51.8°F. The highest and lowest sea temperatures during the month were 58.1°F and 46.2°F.

Monthly sea water temperature in Thunder Bay, °F

Which Canada resorts have warmest sea in June?

Place name June 2025 June 2024
Montreal 68.2°F 71.2°F
Windsor 65.1°F 67.4°F
Winnipeg 63.0°F 61.4°F
Quebec 62.7°F 66.7°F
Gimli 61.4°F 60.1°F
Surrey 60.7°F 59.9°F
Niagara Falls 60.4°F 65.4°F
Summerside 59.7°F 60.0°F
Kingston 59.6°F 65.3°F
North Vancouver 59.5°F 58.4°F
Vancouver 59.4°F 58.3°F
Nanaimo 58.8°F 58.5°F
Barrie 58.5°F 62.4°F
Niagara-on-the-Lake 58.4°F 65.3°F
Charlottetown 57.3°F 56.4°F
Prince Edward Island 55.7°F 55.7°F
Hamilton 55.5°F 60.6°F
Toronto 54.8°F 58.1°F
Mississauga 54.6°F 58.2°F
Tofino 54.2°F 53.4°F

Best time for vacation in Thunder Bay

Sunniest months:
September 14 days
August 14 days
July 12 days
Warmest months:
July 69.3 °F
August 69.1 °F
June 63.0 °F
Warmest sea temp:
August 63.4 °F
September 60.2 °F
July 59.6 °F
Coldest months:
February 14.2 °F
January 14.8 °F
December 22.5 °F
Rainiest months:
September 2 days
August 2 days
April 2 days
Windiest months:
November 9.6 mph
December 9.1 mph
April 8.8 mph

Thunder Bay on a weather map

Thunder Bay
+23°F
NW 3 mph
Feels like: +14°F
Precip.: 0%
Places in Canada:
Name
°F
+43°F
+46°F
+27°F
+39°F
+34°F
+36°F
+37°F
+36°F
+43°F
+36°F
+32°F
+37°F
+43°F
+36°F
24 Hours Forecast
Thunder Bay
Local time: 17:40
December 17, wednesday
1800
23°F
NW
3 mph
2100
25°F
NW
3 mph
December 18, thursday
0000
28°F
NW
12 mph
0300
30°F
NW
11 mph
0600
32°F
NW
9 mph
0900
32°F
SW
8 mph
1200
23°F
S
18 mph
1500
14°F
S
21 mph
Units of measurement: °C / °F