Canada
Oshawa sees feels-like daytime highs peak around 27.6°C in July and nighttime lows bottom out near -10.2°C in January. September is the wettest month (~53 mm), while February is the driest (~13 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 August, June, and July — expect around 17.4–26.5°C with roughly 28% chance of rain on a given day in August.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | -10.2° / -4.3° | 7% | 14 mm | 36% | 22.7 kph |
| February | -9.8° / -3.3° | 6% | 13 mm | 39% | 22.3 kph |
| March | -5.6° / 2° | 11% | 21 mm | 44% | 20.7 kph |
| April | 1.3° / 10.2° | 21% | 36 mm | 47% | 18.5 kph |
| May | 8.4° / 18.6° | 27% | 47 mm | 50% | 16 kph |
| June☀ | 14.2° / 25° | 29% | 48 mm | 55% | 14.8 kph |
| July☀ | 17.6° / 27.6° | 28% | 47 mm | 63% | 14.4 kph |
| August☀ | 17.4° / 26.5° | 28% | 48 mm | 66% | 14.4 kph |
| September | 12.7° / 21.3° | 29% | 53 mm | 62% | 16.1 kph |
| October | 4.9° / 13° | 27% | 51 mm | 55% | 18.3 kph |
| November | -1.3° / 5.6° | 18% | 38 mm | 45% | 20.1 kph |
| December | -6.9° / -0.9° | 12% | 24 mm | 39% | 21.7 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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