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Weather & Climate
Cornwall, Prince Edward Island, Canada
Overview
Climate data and monthly weather averages for Cornwall.
Key Metrics
Annual Avg
6.5°C
Summer Avg
17.3°C
Winter Avg
-4.4°C
Record High
30°C
Record Low
-23.6°C
Annual Precipitation
1050.2 mm
Avg Humidity
84%
Summer Humidity
82%
Winter Humidity
88%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.6° | -5.5° | -22.4° | 74.4 | 89% | 33 | 62.2 |
| Feb | 9.4° | -6° | -23.6° | 74.8 | 89% | 49 | 70.8 |
| Mar | 16.4° | -2.6° | -19.8° | 69.8 | 84% | 94 | 68.1 |
| Apr | 17.8° | 2.7° | -9° | 78.9 | 83% | 129 | 59.4 |
| May | 22.4° | 8.1° | -1° | 76.9 | 83% | 159 | 42.5 |
| Jun | 26.2° | 13.7° | 3.2° | 94.8 | 84% | 165 | 51.1 |
| Jul | 28.2° | 18.9° | 10.1° | 76 | 83% | 174 | 52.9 |
| Aug | 30° | 19.4° | 10.9° | 88.4 | 80% | 155 | 47.7 |
| Sep | 28.6° | 16° | 7.9° | 93.6 | 80% | 114 | 72.8 |
| Oct | 23.6° | 10.5° | -0.1° | 112.2 | 81% | 72 | 64.2 |
| Nov | 17.9° | 4° | -12.1° | 105.3 | 85% | 37 | 62.1 |
| Dec | 13.4° | -1.6° | -18.7° | 105.1 | 87% | 26 | 62.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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