World Resorts Canada Thunder Bay Weather

Thunder Bay 7 Days Forecast

14.12
sun
Day
1°F
SE 11 mph
Precip.
0%
Night
18°F
NE 12 mph
Precip.
0%
15.12
mon
Day
18°F
SE 12 mph
Precip.
0%
Night
14°F
SE 3 mph
Precip.
0%
16.12
tue
Day
27°F
N 14 mph
Precip.
100%
Night
36°F
E 15 mph
Precip.
86%
17.12
wed
Day
16°F
SE 16 mph
Precip.
0%
Night
23°F
N 13 mph
Precip.
100%
18.12
thu
Day
32°F
N 15 mph
Precip.
100%
Night
16°F
E 20 mph
Precip.
69%
19.12
fri
Day
3°F
SE 11 mph
Precip.
0%
Night
19°F
NW 14 mph
Precip.
100%
20.12
sat
Day
18°F
SE 9 mph
Precip.
0%
Night
9°F
SE 14 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 39.2°F. The highest and lowest sea temperatures during the month were 43.0°F and 36.0°F.

Air temperature in Thunder Bay, °F

Precipitation total in Thunder Bay, in.

* Charts above show average data for the last 3 years.

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
+16°F
NE 6 mph
Feels like: +1°F
Precip.: 0%
Places in Canada:
Name
°F
+48°F
+50°F
+10°F
+32°F
-13°F
+18°F
+16°F
+27°F
+14°F
+21°F
+3°F
+36°F
+37°F
+19°F
24 Hours Forecast
Thunder Bay
Local time: 21:12
December 15, monday
0000
18°F
NE
12 mph
0300
16°F
NE
14 mph
0600
16°F
E
10 mph
0900
14°F
SE
11 mph
1200
18°F
SE
12 mph
1500
21°F
SE
11 mph
1800
19°F
SE
6 mph
2100
14°F
SE
4 mph
Units of measurement: °C / °F