Measurements:
°C
°F
CURRENT WEATHER
01:04
Thunder Bay
12°F
NE 14 mph
Feels like: 0°F
Precip: 100%
World Resorts Canada Thunder Bay Weather

7 Day Weather Forecast

12.05
fri
DAY
12°F
E 4 mph
precip
0%
NIGHT
14°F
SE 14 mph
precip
0%
12.06
sat
DAY
10°F
SE 11 mph
precip
0%
NIGHT
2°F
SE 7 mph
precip
0%
12.07
sun
DAY
10°F
SE 12 mph
precip
0%
NIGHT
-2°F
SE 6 mph
precip
0%
12.08
mon
DAY
8°F
E 9 mph
precip
100%
NIGHT
4°F
E 4 mph
precip
0%
12.09
tue
DAY
12°F
E 5 mph
precip
43%
NIGHT
12°F
S 7 mph
precip
0%
12.10
wed
DAY
-2°F
S 13 mph
precip
0%
NIGHT
0°F
SE 9 mph
precip
0%
12.11
thu
DAY
4°F
SE 9 mph
precip
0%
NIGHT
4°F
SE 9 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 4.0°F. The maximum and minimum values were 2.2°F and 6.1°F respectively.

Thunder Bay on the Weather Map

Best Time to Visit Thunder Bay
The most sunny months:
September 14 days
August 14 days
July 12 days
The most warm months:
July 71.5 °F
August 71.2 °F
June 64.4 °F
Warmest sea temperature:
August 64.9 °F
September 61.3 °F
July 60.6 °F
The most cold months:
February 10.3 °F
January 10.9 °F
December 19.5 °F
The most rainy months:
September 2 days
August 2 days
April 2 days
The most windy months:
November 9 mph
December 9 mph
April 9 mph
more details