US Geography / US Weather / Pennsylvania Weather / Mercer |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 31° | 35° | 46° | 57° | 68° | 76° | 81° | 78° | 74° | 61° | 48° | 36° |
| Avg. Low | 14° | 15° | 24° | 35° | 45° | 54° | 58° | 57° | 50° | 38° | 31° | 21° |
| Mean | 24° | 25° | 35° | 46° | 57° | 65° | 70° | 68° | 62° | 50° | 40° | 28° |
| Avg. Precip. | 2.6 in | 2.6 in | 3.5 in | 3.4 in | 3.8 in | 4.6 in | 4.3 in | 3.8 in | 3.9 in | 2.9 in | 3.7 in | 3.3 in |
Degrees in Fahrenheit
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