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Weather & Climate
Durham, Ontario, Canada
Overview
Climate data and monthly weather averages for Durham.
Key Metrics
Annual Avg
7.9°C
Summer Avg
20.5°C
Winter Avg
-4.7°C
Record High
35.5°C
Record Low
-29.9°C
Annual Precipitation
719.3 mm
Avg Humidity
79%
Summer Humidity
69%
Winter Humidity
89%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.7° | -5.9° | -27.9° | 51.8 | 90% | 43 | 64.4 |
| Feb | 12.5° | -5.7° | -29.9° | 46.8 | 89% | 64 | 72 |
| Mar | 23.6° | -0.9° | -28.2° | 51.5 | 82% | 111 | 71.9 |
| Apr | 22.5° | 5.2° | -13.3° | 67.8 | 79% | 136 | 69.7 |
| May | 30.1° | 11.9° | -2.8° | 66 | 76% | 170 | 57 |
| Jun | 33.1° | 18° | 4.2° | 65.4 | 72% | 180 | 46.9 |
| Jul | 35.5° | 22° | 8.1° | 67 | 67% | 189 | 45.5 |
| Aug | 35.5° | 21.5° | 9.8° | 54.3 | 68% | 162 | 46.3 |
| Sep | 32.7° | 17.5° | 4.5° | 58.8 | 71% | 123 | 56.4 |
| Oct | 28° | 10° | -3.6° | 67 | 78% | 75 | 59.8 |
| Nov | 19° | 3.4° | -13.7° | 61.2 | 83% | 46 | 65.2 |
| Dec | 13.2° | -2.4° | -24.4° | 61.7 | 88% | 34 | 65.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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