World Resorts Canada Thunder Bay Weather

Thunder Bay Sea Temperature in January

Average sea water temperature in January:
+34.5°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:
2025
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2023
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The average sea water temperature in January of 2025 was 35.1°F. The highest and lowest sea temperatures during the month were 36.3°F and 34.0°F.

Monthly sea water temperature in Thunder Bay, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
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38.6
45.1
53.3
60.2
63.4
59.3
47
40.2
34.6
33
33.4
34.5

Which Canada resorts have warmest sea in January?

Place name January 2025 January 2024
Tofino 47.5°F 47.5°F
Victoria 47.1°F 47.2°F
Surrey 45.4°F 45.5°F
Nanaimo 45.1°F 45.3°F
Vancouver 45.0°F 44.4°F
North Vancouver 45.0°F 44.4°F
Saint John 39.8°F 41.3°F
Saint Andrews 38.7°F 39.7°F
Niagara-on-the-Lake 38.6°F 38.6°F
Kingston 38.2°F 39.9°F
Hamilton 38.0°F 38.1°F
Toronto 37.9°F 38.4°F
Mississauga 37.8°F 38.0°F
Oshawa 37.2°F 38.3°F
Halifax 36.6°F 37.3°F
Lunenburg 36.5°F 37.4°F
Montreal 36.3°F 36.4°F
Niagara Falls 36.2°F 36.6°F
Thunder Bay 35.1°F 35.0°F
St. John's 35.0°F 33.7°F

Best time for vacation in Thunder Bay

Sunniest months:
September 15 days
August 14 days
July 12 days
Warmest months:
July 69.3 °F
August 68.9 °F
June 62.8 °F
Warmest sea temp:
August 63.5 °F
September 60.2 °F
July 59.3 °F
Coldest months:
February 14.2 °F
January 14.8 °F
December 22.5 °F
Rainiest months:
August 3 days
September 2 days
April 2 days
Windiest months:
November 9.6 mph
December 9.1 mph
April 8.7 mph

Thunder Bay on a weather map

Leaflet | Tiles © Esri
Places in Canada:
Name
°F
+50°F
+50°F
+41°F
+46°F
+70°F
+30°F
+66°F
+68°F
+66°F
+68°F
+63°F
+32°F
+36°F
+61°F
24 Hours Forecast
Thunder Bay
Local time: 16:04
April 28, monday
1800
43°F
NW
2 mph
2100
45°F
W
1 mph
April 29, tuesday
0000
43°F
S
7 mph
0300
37°F
S
17 mph
0600
30°F
S
19 mph
0900
30°F
S
16 mph
1200
34°F
S
13 mph
1500
43°F
SE
10 mph
Units of measurement: °C / °F