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Weather & Climate
Devon, Pennsylvania, United States
Overview
Climate data and monthly weather averages for Devon.
Key Metrics
Annual Avg
11.8°C
Summer Avg
23.4°C
Winter Avg
-0.1°C
Record High
40.4°C
Record Low
-21.9°C
Annual Precipitation
1226.3 mm
Avg Humidity
79%
Summer Humidity
73%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19.4° | -1.4° | -19.7° | 75.6 | 85% | 58 | 39.2 |
| Feb | 23.2° | -0.3° | -21.9° | 74.8 | 84% | 76 | 40.2 |
| Mar | 25.4° | 4.1° | -18.9° | 94.2 | 81% | 113 | 39.6 |
| Apr | 33.5° | 10.7° | -5.2° | 96.9 | 78% | 143 | 39.9 |
| May | 34° | 16.5° | -0.2° | 98.3 | 78% | 165 | 28.4 |
| Jun | 36.4° | 21.7° | 6.8° | 125.4 | 76% | 176 | 22.5 |
| Jul | 40.4° | 24.7° | 11° | 125.2 | 71% | 186 | 22.9 |
| Aug | 39° | 23.9° | 10.9° | 119.7 | 72% | 161 | 28.9 |
| Sep | 36.3° | 20.1° | 5.1° | 112.2 | 73% | 127 | 31.5 |
| Oct | 34.9° | 13.1° | -2.4° | 111.3 | 78% | 91 | 33.7 |
| Nov | 25.5° | 6.7° | -8.3° | 86.7 | 81% | 64 | 31.3 |
| Dec | 22.6° | 1.5° | -16.1° | 106 | 86% | 48 | 37.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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