The highest day temperature in June 2026 was 92°F. The lowest night temperature was 45°F. The average values for day and night temperatures during June were 80.8°F и 62.7°F respectivly.

The average sea surface temperature in June 2026 for Martha's Vineyard was 63.7°F. The maximum and minimum values were 57.0°F and 69.2°F respectively.

Most of the days in June are sunny but you can also expect cloudy and gloomy days.

Precipitation total in June for Martha's Vineyard is 0.7 in. It makes june the least rainy month of the year.

The average wind speed in June is 11.0 mph. It makes June one of the most windless months of the year for Martha's Vineyard.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Martha's Vineyard in June is 9.3 hours.