Climatological Data
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Weather in Martha's Vineyard the past 48 hours !
Martha's Vineyard
Martha's Vineyard Shipyard WebCam
Martha's Vineyard, MA
NWS/1991-2020 
AVERAGE TEMPERATURE
| Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 50.5 °F | 30.7 | 31.4 | 37.8 | 46.0 | 55.6 | 64.6 | 70.5 | 70.1 | 63.8 | 53.8 | 45.3 | 35.9 |
AVERAGE HIGH TEMPERATURE
| Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 58.7 °F | 38.9 | 39.6 | 45.8 | 54.2 | 64.0 | 72.9 | 78.8 | 78.1 | 72.0 | 62.5 | 53.4 | 44.0 |
AVERAGE LOW TEMPERATURE
| Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 42.2 °F | 22.4 | 23.2 | 29.8 | 37.7 | 47.1 | 56.2 | 62.2 | 62.0 | 55.5 | 45.1 | 37.2 | 27.8 |
AVERAGE PRECIPITATION (Inches)
| Total | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 46.06" | 4.09 | 3.29 | 4.48 | 4.25 | 3.55 | 3.51 | 3.10 | 3.96 | 3.48 | 3.95 | 4.12 | 4.28 |
AVERAGE DAYS of PRECIPITATION
| Total | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 81 days | 8 | 8 | 7 | 7 | 7 | 5 | 6 | 8 | 5 | 5 | 7 | 8 |
NORMAL HEATING DEGREE DAYS
| Total | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 5713 |
1063 |
941 |
843 |
571 |
293 |
64 |
7 |
6 |
80 |
349 |
592 |
902 |
NORMAL COOLING DEGREE DAYS
| Total | Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
| 436 |
0 |
0 |
0 |
0 |
1 |
51 |
178 |
163 |
41 |
2 |
0 |
0 |
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