Measurements:
°C
°F
Thunder Bay
70°F
NE 2 mph
Feels like: 70°F
Precip: 6%
World Resorts Canada Thunder Bay

Annual Weather

Thunder Bay Air Temperature, °F

Precipitation Totals, in

Rainy Days During the Year

Average Wind Speed, mph
Sunny, Cloudy and Gloomy Days
Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart.

Best Time to Visit Thunder Bay
The most sunny months:
July 14 days
September 14 days
August 14 days
The most warm months:
July 73.4 °F
August 71.2 °F
June 65.3 °F
Warmest sea temperature:
August 64.9 °F
September 61.3 °F
July 59.4 °F
The most cold months:
January 9.8 °F
February 11.1 °F
December 17.9 °F
The most rainy months:
September 2 days
April 2 days
August 2 days
The most windy months:
November 9 mph
December 9 mph
April 8 mph

Thunder Bay on the Weather Map

24 Hours Weather Forecast
Thunder Bay
Local time: 10:50
19 aug, wednesday
1200 70°F
NE
2 mph
1500 76°F
N
9 mph
1800 62°F
N
7 mph
2100 62°F
N
5 mph
20 aug, thursday
0000 58°F
SW
8 mph
0300 56°F
SW
2 mph
0600 54°F
S
5 mph
0900 54°F
S
6 mph