Martha's Vineyard Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Martha's Vineyard, Massachusetts during each month of the year.

The average high and low temperatures are listed below monthly and annually for the island, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month at The Vineyard, scroll down farther. There are also monthly and yearly counts of days with cold weather.

All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010 at Edgartown.

Average Martha's Vineyard temperatures
High °F Low °F   High °C Low °C
40 24 January 4 -4
41 26 February 5 -3
47 31 March 8 0
56 39 April 13 4
65 48 May 18 9
74 58 June 23 14
80 64 July 27 18
79 63 August 26 17
73 57 September 23 14
63 47 October 17 8
54 39 November 12 4
45 30 December 7 -1
60 44 Year 15 7

Days of Hot Weather in Martha's Vineyard

Summer temperatures at The Vineyard are what many people would consider idyllic. About half the days have highs in the 70s Fahrenheit, with the rest reaching the 80s. Typically, only two days a year make it into the 90s. A day that hot can happen anytime from May to September, but is most likely during July.

Number of days in Martha's Vineyard of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 0 0 0
April 1 0 0
May 7 1 0
June 22 6 0
July 30 16 1
August 30 14 0
September 22 4 0
October 5 0 0
November 0 0 0
December 0 0 0
Year 118 41 2

How Often Martha's Vineyard Has Cold Temperatures

Temperatures can descend to freezing at The Vineyard from October through to April, and sometimes as late as May. Edgartown typically has 92 frosty nights a year, including most of January and February. While the coldest nights drop below 10 °F, the temperature plummets to 0 °F (-18 °C) only about once a decade.

On an average of 13 days annually the thermometer never rises above freezing. Days that chilly can occur from November to March.

Days per month on average in Martha's Vineyard when the minimum temperature drops to 32, 20 or 10 °F or below
  10 °F
-12 °C
20 °F
-8 °C
32 °F
0 °C
January 3 11 24
February 1 7 21
March 0 2 17
April 0 0 4
May 0 0 0
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 0
October 0 0 1
November 0 0 7
December 0 5 19
Year 4 25 92
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Massachusetts Temperatures
Back to Top