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Weather & Climate
Saint-Thomas, Quebec, Canada
Overview
Climate data and monthly weather averages for Saint-Thomas.
Key Metrics
Annual Avg
5.4°C
Summer Avg
19.5°C
Winter Avg
-10.3°C
Record High
32.2°C
Record Low
-41.3°C
Annual Precipitation
1062 mm
Avg Humidity
84%
Summer Humidity
79%
Winter Humidity
92%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.9° | -12.5° | -41.3° | 69.8 | 93% | 44 | 59 |
| Feb | 6.8° | -10.7° | -37.3° | 63.6 | 92% | 64 | 63.3 |
| Mar | 21.9° | -4.5° | -34.3° | 72.9 | 88% | 110 | 53.6 |
| Apr | 24.5° | 4.6° | -15° | 94.5 | 81% | 135 | 51.7 |
| May | 30.9° | 12.6° | -3.9° | 89.9 | 79% | 164 | 48.9 |
| Jun | 32.2° | 17.9° | 2° | 102.6 | 79% | 172 | 39.5 |
| Jul | 32.1° | 20.7° | 7.6° | 97.3 | 80% | 175 | 37.6 |
| Aug | 32° | 19.8° | 6.8° | 97 | 79% | 152 | 49.5 |
| Sep | 32° | 15.6° | -0.5° | 88.2 | 79% | 114 | 50.1 |
| Oct | 26.2° | 8° | -5.4° | 108.5 | 83% | 69 | 46.9 |
| Nov | 19.9° | 0.7° | -22.7° | 81.3 | 86% | 41 | 58 |
| Dec | 15.1° | -7.7° | -35.4° | 96.4 | 92% | 31 | 51 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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