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Weather & Climate
Glen Rock, Pennsylvania, United States
Overview
Climate data and monthly weather averages for Glen Rock.
Key Metrics
Annual Avg
11.3°C
Summer Avg
23.2°C
Winter Avg
-0.8°C
Record High
39°C
Record Low
-24°C
Annual Precipitation
1163.7 mm
Avg Humidity
78%
Summer Humidity
71%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19° | -2.1° | -20.9° | 70.7 | 85% | 62 | 43.6 |
| Feb | 23.6° | -1° | -24° | 70 | 84% | 80 | 43 |
| Mar | 26.1° | 3.8° | -21.1° | 84 | 81% | 118 | 46.7 |
| Apr | 31.5° | 10.5° | -5.5° | 95.7 | 77% | 149 | 48.9 |
| May | 32.3° | 16.4° | -1.8° | 104.8 | 78% | 171 | 32 |
| Jun | 35.7° | 21.5° | 5.6° | 116.1 | 75% | 186 | 28.6 |
| Jul | 39° | 24.4° | 10.3° | 115 | 69% | 191 | 24.9 |
| Aug | 38° | 23.6° | 10.3° | 104.8 | 70% | 167 | 37.5 |
| Sep | 36° | 19.7° | 3.7° | 118.5 | 71% | 131 | 38.6 |
| Oct | 34.7° | 12.5° | -3.3° | 110.7 | 78% | 98 | 44.9 |
| Nov | 25.2° | 5.9° | -9.1° | 79.2 | 81% | 70 | 39.4 |
| Dec | 22.8° | 0.6° | -14.8° | 94.2 | 86% | 54 | 44 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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