| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 25°F | 41°F | 33°F | 4.5" |
| February | 22°F | 38°F | 30°F | 2.9" |
| March | 27°F | 44°F | 36°F | 8.1" |
| April | 35°F | 55°F | 45°F | 7.5" |
| May | 43°F | 63°F | 53°F | 7.2" |
| June | 55°F | 73°F | 63°F | 1.9" |
| July | 61°F | 78°F | 70°F | 2.6" |
| August | 61°F | 81°F | 70°F | 1.4" |
| September | 54°F | 75°F | 65°F | 7.8" |
| October | 48°F | 65°F | 57°F | 7.1" |
| November | 37°F | 55°F | 46°F | 6.5" |
| December | 27°F | 43°F | 35°F | 4.1" |
| Index | Vineyard Haven | Massachusetts | National |
| Air quality index | 36 | 40 | 42 |
| Pollution index | 121,216 | 8,399,610 | 2,726,193 |
| Measurement | Total |
| Days measured | 359 |
| Days with good air quality | 348 |
| Days with moderate air quality | 11 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.002% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Falmouth, MA | 3,751 | 36 | 28.0% |
| New Seabury, MA | 595 | 36 | 28.0% |
| Seabrook, MA | 520 | 36 | 28.0% |
| Woods Hole, MA | 933 | 36 | 28.0% |
| Mashpee Neck, MA | 1,403 | 36 | 28.0% |
| Vineyard Haven, MA | 1,903 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| South Rockwood, MI | 1,903 | 1 | 98.0% |
| East Kootenay E, BC | 1,903 | n/a | |
| Pineville, KY | 1,902 | 39 | 22.0% |
| Willow Springs, MO | 1,902 | 39 | 22.0% |
| Pelahatchie, MS | 1,902 | 44 | 12.0% |
| Vineyard Haven, MA | 1,903 | 36 | 28.0% |
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