Measurements:
°C
°F
CURRENT WEATHER
03:40
Thunder Bay
32°F
N 6 mph
Feels like: 24°F
Precip: 0%
World Resorts Canada Thunder Bay Weather

7 Day Weather Forecast

12.27
fri
DAY
34°F
NW 5 mph
precip
0%
NIGHT
34°F
W 8 mph
precip
0%
12.28
sat
DAY
34°F
W 7 mph
precip
100%
NIGHT
32°F
E 11 mph
precip
0%
12.29
sun
DAY
28°F
SE 6 mph
precip
0%
NIGHT
24°F
SE 5 mph
precip
0%
12.30
mon
DAY
26°F
SE 5 mph
precip
0%
NIGHT
26°F
SE 7 mph
precip
0%
12.31
tue
DAY
22°F
SE 7 mph
precip
0%
NIGHT
18°F
SE 8 mph
precip
0%
01.01
wed
DAY
14°F
SE 8 mph
precip
67%
NIGHT
18°F
SE 10 mph
precip
0%
01.02
thu
DAY
10°F
SE 12 mph
precip
0%
NIGHT
12°F
SE 14 mph
precip
0%

Thunder Bay Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Thunder Bay was 4.3°F. The maximum and minimum values were 2.5°F and 6.1°F respectively.

Thunder Bay on the Weather Map

Best Time to Visit Thunder Bay
The most sunny months:
September 15 days
August 14 days
July 12 days
The most warm months:
July 71.4 °F
August 71.1 °F
June 64.2 °F
Warmest sea temperature:
August 65.0 °F
September 61.4 °F
July 60.3 °F
The most cold months:
February 10.2 °F
January 11.1 °F
December 19.0 °F
The most rainy months:
August 3 days
September 2 days
April 2 days
The most windy months:
November 9 mph
December 9 mph
April 9 mph
more details