Weather in Martha's Vineyard: July
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Average day temperature: | 73.9°F |
| Average night temperature: | 70.8°F | |
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Sea water temperature: | 71.3°F |
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Number of sunny days: | 12 days |
| Day length: | 14.4 - 15.1 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.4 in. | |
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forecast
| Martha's Vineyard |
temperature
| Martha's Vineyard |
Air temperature in July, °F
The highest day temperature during July of 2023 was 78°F. At the same time the lowest night temperature was 67°F. Day and night temperature averages during July were 75.4°F and 71.8°F.
Sea water temperature in Martha's Vineyard in July, °F
The average sea water temperature in July of 2023 was 72.2°F. The highest and lowest sea temperatures during the month were 75.7°F and 68.4°F.
Mostly all days in July are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Martha's Vineyard in July is 1.4 in. Other months of the year show relatively similar values.
The average wind speed value in July is 10.0 mph It makes July lest windy month of the year.
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 July is: 8.6.
Best time for vacation in Martha's Vineyard
Martha's Vineyard on a weather map
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