Weather in Martha's Vineyard: May
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Average day temperature: | 58.0°F |
| Average night temperature: | 52.9°F | |
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Sea water temperature: | 53.7°F |
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Number of sunny days: | 11 days |
| Day length: | 14.0 - 15.0 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
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forecast
| Martha's Vineyard |
temperature
| Martha's Vineyard |
Air temperature in May, °F
The highest day temperature during May of 2026 was 80°F. At the same time the lowest night temperature was 42°F. Daily and nightly averages during May were 63.6°F and 51.9°F.
Sea water temperature in Martha's Vineyard in May, °F
The average sea water temperature in May of 2026 was 53.4°F. The highest and lowest sea temperatures during the month were 58.3°F and 49.1°F.
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Martha's Vineyard in May is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in May is 12.1 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.8.
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
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