World Resorts Canada Thunder Bay Weather

Thunder Bay Sea Temperature in January

Average sea water temperature in January:
+34.4°F
Minimum sea water temperature in January: 37.0°F
Maximum sea water temperature in January: 32.9°F

Daily sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 33.5°F. The highest and lowest sea temperatures during the month were 34.3°F and 32.9°F.

Monthly sea water temperature in Thunder Bay, °F

Which Canada resorts have warmest sea in January?

Place name January 2026 January 2025
Victoria 47.7°F 47.1°F
Tofino 47.1°F 47.5°F
Surrey 45.7°F 45.4°F
Vancouver 45.3°F 45.0°F
North Vancouver 45.3°F 45.0°F
Nanaimo 45.0°F 45.1°F
Saint John 39.9°F 39.8°F
Saint Andrews 38.1°F 38.7°F
Niagara-on-the-Lake 37.3°F 38.6°F
Toronto 37.0°F 37.9°F
Hamilton 36.9°F 38.0°F
Mississauga 36.9°F 37.8°F
Oshawa 36.9°F 37.2°F
Halifax 36.6°F 36.6°F
Montreal 36.4°F 36.3°F
Kingston 36.1°F 38.2°F
Lunenburg 35.7°F 36.5°F
Niagara Falls 34.6°F 36.2°F
St. John's 34.1°F 35.0°F
Trinity 33.9°F 34.4°F

Best time for vacation in Thunder Bay

Sunniest months:
July 14 days
September 14 days
August 14 days
Warmest months:
July 71.1 °F
August 69.1 °F
June 63.8 °F
Warmest sea temp:
August 63.1 °F
September 60.2 °F
July 58.5 °F
Coldest months:
January 13.9 °F
February 15.0 °F
December 21.1 °F
Rainiest months:
September 2 days
April 2 days
August 2 days
Windiest months:
November 9.6 mph
December 9.2 mph
April 8.6 mph

Thunder Bay on a weather map

Thunder Bay
+70°F
SE 9 mph
Feels like: +70°F
Precip.: 24%
Places in Canada:
Name
°F
+72°F
+63°F
+63°F
+72°F
+73°F
+63°F
+70°F
+75°F
+77°F
+73°F
+59°F
+72°F
+70°F
+72°F
24 Hours Forecast
Thunder Bay
Local time: 13:00
August 26, wednesday
1500
73°F
SE
11 mph
1800
68°F
SE
11 mph
2100
66°F
SE
11 mph
August 27, thursday
0000
61°F
SE
11 mph
0300
57°F
SE
9 mph
0600
55°F
SE
8 mph
0900
54°F
SE
6 mph
1200
61°F
SE
2 mph
Units of measurement: °C / °F