Annual Weather Averages Near Thunder Bay
Averages are for Thunder Bay, which is 6 kilometers from Thunder Bay.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Thunder Bay
High Temp: 25 °C
Low Temp: -19 °C
Mean Temp: 3 °C
Precipitation: 49.7 mm
Humidity: 74%
Dew Point: -1 °C
Wind: 21 km/h
Pressure: 1016 mbar
Visibility: 23 km
一月 Climate & Weather Averages in Thunder Bay
High Temp: -7 °C
Low Temp: -19 °C
Mean Temp: -13 °C
Precipitation: 21.5 mm
Humidity: 74%
Dew Point: -17 °C
Wind: 21 km/h
Pressure: 1018 mbar
Visibility: 21 km
二月 Climate & Weather Averages in Thunder Bay
High Temp: -5 °C
Low Temp: -18 °C
Mean Temp: -12 °C
Precipitation: 13.9 mm
Humidity: 70%
Dew Point: -16 °C
Wind: 21 km/h
Pressure: 1019 mbar
Visibility: 22 km
三月 Climate & Weather Averages in Thunder Bay
High Temp: 1 °C
Low Temp: -11 °C
Mean Temp: -5 °C
Precipitation: 21.5 mm
Humidity: 70%
Dew Point: -10 °C
Wind: 21 km/h
Pressure: 1019 mbar
Visibility: 23 km
四月 Climate & Weather Averages in Thunder Bay
High Temp: 9 °C
Low Temp: -4 °C
Mean Temp: 2 °C
Precipitation: 47.5 mm
Humidity: 66%
Dew Point: -4 °C
Wind: 23 km/h
Pressure: 1017 mbar
Visibility: 24 km
五月 Climate & Weather Averages in Thunder Bay
High Temp: 16 °C
Low Temp: 2 °C
Mean Temp: 9 °C
Precipitation: 70.6 mm
Humidity: 67%
Dew Point: 3 °C
Wind: 23 km/h
Pressure: 1015 mbar
Visibility: 24 km
六月 Climate & Weather Averages in Thunder Bay
High Temp: 22 °C
Low Temp: 8 °C
Mean Temp: 15 °C
Precipitation: 74.4 mm
Humidity: 74%
Dew Point: 10 °C
Wind: 21 km/h
Pressure: 1013 mbar
Visibility: 24 km
七月 Climate & Weather Averages in Thunder Bay
High Temp: 25 °C
Low Temp: 11 °C
Mean Temp: 18 °C
Precipitation: 81.1 mm
Humidity: 76%
Dew Point: 13 °C
Wind: 19 km/h
Pressure: 1013 mbar
Visibility: 24 km
八月 Climate & Weather Averages in Thunder Bay
High Temp: 24 °C
Low Temp: 10 °C
Mean Temp: 17 °C
Precipitation: 66.3 mm
Humidity: 78%
Dew Point: 13 °C
Wind: 18 km/h
Pressure: 1015 mbar
Visibility: 24 km
九月 Climate & Weather Averages in Thunder Bay
High Temp: 19 °C
Low Temp: 6 °C
Mean Temp: 13 °C
Precipitation: 62.3 mm
Humidity: 81%
Dew Point: 9 °C
Wind: 19 km/h
Pressure: 1015 mbar
Visibility: 23 km
十月 Climate & Weather Averages in Thunder Bay
High Temp: 11 °C
Low Temp: 0 °C
Mean Temp: 6 °C
Precipitation: 67.4 mm
Humidity: 79%
Dew Point: 2 °C
Wind: 21 km/h
Pressure: 1015 mbar
Visibility: 23 km
十一月 Climate & Weather Averages in Thunder Bay
High Temp: 3 °C
Low Temp: -6 °C
Mean Temp: -2 °C
Precipitation: 42.4 mm
Humidity: 78%
Dew Point: -5 °C
Wind: 21 km/h
Pressure: 1016 mbar
Visibility: 21 km
十二月 Climate & Weather Averages in Thunder Bay
High Temp: -4 °C
Low Temp: -14 °C
Mean Temp: -9 °C
Precipitation: 27.4 mm
Humidity: 79%
Dew Point: -12 °C
Wind: 21 km/h
Pressure: 1017 mbar
Visibility: 20 km