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Weather & Climate
Cornish, Maine, United States
Overview
Climate data and monthly weather averages for Cornish.
Key Metrics
Annual Avg
6.9°C
Summer Avg
19.3°C
Winter Avg
-6.3°C
Record High
41.1°C
Record Low
-32.4°C
Annual Precipitation
1264.1 mm
Avg Humidity
83%
Summer Humidity
80%
Winter Humidity
91%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.3° | -8° | -29.8° | 74.4 | 92% | 53 | 32.5 |
| Feb | 16.3° | -6.9° | -32.4° | 82.3 | 92% | 71 | 35.2 |
| Mar | 24.4° | -1.7° | -30.2° | 90.2 | 85% | 113 | 37.7 |
| Apr | 27.2° | 5.5° | -9.9° | 111.3 | 79% | 141 | 31.4 |
| May | 29.9° | 12.2° | -2.3° | 102.3 | 79% | 165 | 24.9 |
| Jun | 36.6° | 17.3° | 2.8° | 130.2 | 80% | 169 | 18.4 |
| Jul | 41.1° | 20.6° | 9° | 107.3 | 81% | 183 | 17.9 |
| Aug | 34.1° | 19.9° | 7.6° | 103.9 | 80% | 165 | 26.9 |
| Sep | 34° | 16° | 1.7° | 94.2 | 79% | 128 | 24 |
| Oct | 27.2° | 9.1° | -5.7° | 139.8 | 81% | 86 | 28.1 |
| Nov | 20.8° | 2.3° | -17.5° | 110.1 | 84% | 55 | 25.7 |
| Dec | 16.5° | -4.1° | -28.1° | 118.1 | 89% | 42 | 29.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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