Canada
Thunder Bay sees feels-like daytime highs peak around 25.3°C in July and nighttime lows bottom out near -17.7°C in January. June is the wettest month (~64 mm), while January is the driest (~2 mm). For sunshine, August leads with about 66% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are July, August, and June — expect around 15.2–25.3°C with roughly 29% chance of rain on a given day in July.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -17.7° / -9.8° | 1% | 2 mm | 35% | 15.2 kph |
| February | -15.7° / -7.6° | 1% | 3 mm | 36% | 14.6 kph |
| March | -9.8° / -1.4° | 5% | 10 mm | 40% | 13.6 kph |
| April | -2.1° / 7.3° | 13% | 28 mm | 45% | 12.3 kph |
| May | 4.8° / 14.8° | 27% | 54 mm | 48% | 10.3 kph |
| June☀ | 10.8° / 21.2° | 31% | 64 mm | 54% | 9 kph |
| July☀ | 15.2° / 25.3° | 29% | 60 mm | 63% | 8.8 kph |
| August☀ | 14.4° / 24.2° | 26% | 54 mm | 66% | 9.7 kph |
| September | 9.3° / 17.9° | 25% | 54 mm | 59% | 11.2 kph |
| October | 2.2° / 9.3° | 21% | 48 mm | 50% | 12.9 kph |
| November | -6.1° / 0° | 9% | 25 mm | 43% | 14.2 kph |
| December | -14.1° / -7.5° | 3% | 8 mm | 37% | 15 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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