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Weather & Climate
Belleville, Ontario, Canada
Overview
Climate data and monthly weather averages for Belleville.
Key Metrics
Annual Avg
8.4°C
Summer Avg
20.2°C
Winter Avg
-3.2°C
Record High
32.7°C
Record Low
-29.5°C
Annual Precipitation
796 mm
Avg Humidity
79%
Summer Humidity
73%
Winter Humidity
87%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.7° | -4.5° | -26.6° | 62.6 | 89% | 43 | 63.1 |
| Feb | 10.7° | -4.4° | -29.5° | 54.6 | 87% | 64 | 63.6 |
| Mar | 19.1° | -0.3° | -24.5° | 54.9 | 82% | 110 | 64.7 |
| Apr | 19.6° | 5.3° | -9° | 72.3 | 79% | 137 | 59.2 |
| May | 28.2° | 11.2° | -1.1° | 68.8 | 79% | 172 | 45.4 |
| Jun | 29.1° | 17.2° | 4.5° | 70.5 | 77% | 179 | 37.9 |
| Jul | 32.6° | 21.7° | 8.5° | 68.8 | 72% | 188 | 32.3 |
| Aug | 32.7° | 21.7° | 11.9° | 58.9 | 71% | 162 | 37.8 |
| Sep | 30.1° | 18.1° | 6.6° | 65.4 | 73% | 124 | 49.1 |
| Oct | 25° | 11.1° | -1.4° | 77.5 | 77% | 76 | 49.6 |
| Nov | 17.7° | 4.8° | -10.8° | 65.1 | 81% | 47 | 60.9 |
| Dec | 13.9° | -0.8° | -23° | 76.6 | 86% | 35 | 59.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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