US Geography / US Weather / New Jersey / Morris Plains |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 36 | 38 | 48 | 58 | 70 | 78 | 84 | 82 | 75 | 64 | 54 | 40 |
| Avg. Low | 16 | 18 | 27 | 36 | 46 | 55 | 58 | 58 | 51 | 38 | 32 | 22 |
| Mean | 26 | 28 | 38 | 48 | 58 | 67 | 72 | 70 | 64 | 52 | 44 | 31 |
| Avg. Precip. | 3.7 in | 3.1 in | 4.1 in | 4.5 in | 5.0 in | 4.3 in | 5.0 in | 4.4 in | 4.5 in | 3.8 in | 4.5 in | 4.0 in |
Degrees in Fahrenheit
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