US Geography / US Weather / Pennsylvania Weather / Greencastle |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 37 | 40 | 52 | 62 | 74 | 81 | 85 | 84 | 77 | 66 | 54 | 41 |
| Avg. Low | 20 | 21 | 31 | 40 | 51 | 58 | 64 | 62 | 55 | 44 | 34 | 25 |
| Mean | 28 | 31 | 42 | 52 | 64 | 71 | 75 | 74 | 66 | 55 | 44 | 34 |
| Avg. Precip. | 2.6 in | 2.4 in | 3.1 in | 3.4 in | 4.0 in | 3.8 in | 3.4 in | 3.4 in | 3.1 in | 3.3 in | 3.3 in | 2.8 in |
Degrees in Fahrenheit
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