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
Oshawa 36.9°F 37.2°F
Mississauga 36.9°F 37.8°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:
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:
January 13.9 °F
February 15.0 °F
December 21.1 °F
Rainiest months:
September 2 days
August 2 days
April 2 days
Windiest months:
November 9.6 mph
December 9.2 mph
April 8.8 mph

Thunder Bay on a weather map

Thunder Bay
+21°F
SE 12 mph
Feels like: +10°F
Precip.: 74%
Places in Canada:
Name
°F
+61°F
+64°F
+27°F
+37°F
+27°F
+34°F
+36°F
+32°F
+37°F
+36°F
+21°F
+37°F
+52°F
24 Hours Forecast
Thunder Bay
Local time: 19:30
April 06, monday
2100
18°F
SE
6 mph
April 07, tuesday
0000
14°F
E
5 mph
0300
12°F
E
5 mph
0600
9°F
E
5 mph
0900
14°F
E
6 mph
1200
30°F
E
8 mph
1500
36°F
NE
8 mph
1800
36°F
NE
9 mph
Units of measurement: °C / °F