Thunder Bay Average Weather & Yearly Climate
Average weather in Thunder Bay provides average temperatures about 10 through the entire year.
Weather figures shows that July is hottest with January is coldest. Temperatures vary by 32. You should expect daily temperatures to usually offer 8 in Spring (Mar, Apr, May) 24 in Summer and 12 through Autumn and -5 in Winter.
| Month | Degrees Celsius |
|---|---|
| January | -6 |
| February | -4 |
| March | 0 |
| April | 9 |
| May | 16 |
| June | 20 |
| July | 26 |
| August | 25 |
| September | 20 |
| October | 12 |
| November | 3 |
| December | -4 |
What are the Weather Insights, Yearly Temperature, Climate in Thunder Bay?
Our average yearly insights helps decide the best time to visit Thunder Bay
- Typical Average Daily Temperature: 10
- Typical Hottest Month: July
- Typical Coldest Month: January
- Average Spring Temperature: 8
- Average Summer Temperature: 24
- Average Autumn Temperature: 12
- Average Winter Temperature: -5