US Geography / US Weather / Massachusetts Weather / Chelsea |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 35° | 37° | 45° | 55° | 66° | 76° | 81° | 78° | 72° | 62° | 52° | 40° |
| Avg. Low | 21° | 24° | 31° | 40° | 48° | 58° | 65° | 64° | 56° | 46° | 38° | 26° |
| Mean | 28° | 30° | 38° | 48° | 58° | 68° | 74° | 72° | 65° | 55° | 45° | 34° |
| Avg. Precip. | 3.6 in | 3.6 in | 3.7 in | 3.6 in | 3.3 in | 3.1 in | 2.8 in | 3.3 in | 3.1 in | 3.3 in | 4.3 in | 4.0 in |
Degrees in Fahrenheit
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