Canada
St. John's sees feels-like daytime highs peak around 22.5°C in August and nighttime lows bottom out near -7.9°C in February. October is the wettest month (~110 mm), while February is the driest (~41 mm). For sunshine, September leads with about 50% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are August, July, and September — expect around 15.4–22.5°C with roughly 33% chance of rain on a given day in August.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -7.2° / -2.2° | 13% | 51 mm | 38% | 25.8 kph |
| February | -7.9° / -2.2° | 10% | 41 mm | 35% | 25.3 kph |
| March | -5.3° / 0° | 13% | 47 mm | 36% | 23.4 kph |
| April | -1.4° / 4.6° | 21% | 55 mm | 34% | 20.4 kph |
| May | 3.3° / 10.5° | 30% | 66 mm | 32% | 18.1 kph |
| June | 8.4° / 16.2° | 32% | 70 mm | 37% | 16.7 kph |
| July☀ | 14.3° / 22.4° | 34% | 73 mm | 45% | 16.1 kph |
| August☀ | 15.4° / 22.5° | 33% | 75 mm | 49% | 16.6 kph |
| September☀ | 11.2° / 17.1° | 36% | 93 mm | 50% | 18.8 kph |
| October | 5.3° / 10.8° | 39% | 110 mm | 47% | 21.1 kph |
| November | 0.5° / 5.7° | 35% | 102 mm | 43% | 23 kph |
| December | -4.1° / 0.2° | 22% | 80 mm | 41% | 25.2 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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