Martha's Vineyard Island (United States of America) in general has a mild continental climate. The day temperatures range from 3.8 °C (38.8 °F) in January to 26.1 °C (79.0 °F) in July. Sea temperatures are in the following range: 3.4 °C (38.1 °F) in February to 20.2 °C (68.3 °F) in August. The driest month is September with just 8 days of rain, on the contrary, the month when it rains the most is December with 11 days of rain. Temperatures during the night go from -4.7 °C (23.5 °F) in January to 17.5 °C (63.5 °F) in July.

January weather

The sea temperature descents similarly to the previous month, its value is 5.3 °C (41.5 °F) in Martha's Vineyard Island, while the day temperature is on its minimum, its value is 3.8 °C (38.8 °F). The rainfall amount starts to descent in January. The night temperature is on its minimum. The number of sun hours (without clouds) starts to rise, the value of this measure is 5 hours. The maximum of the wind speed can be noticed in January.

February weather

The beginning of the rise of the day temperature could be noticed, with its value being 4.5 °C (40.1 °F) in Martha's Vineyard Island, while the sea temperature is on its minimum in February. The beginning of the rise of the night temperature could be noticed, with its value of -4.1 °C (24.6 °F). The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 6 hours.

March weather

The rise of the day temperature can be observed, its value is 7.7 °C (45.9 °F) in Martha's Vineyard Island, and the rise of the night temperature can be observed too, with its value of -0.9 °C (30.4 °F). The rainfall amount starts to rise, its value is 110 mm (4.32 in). The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 7 hours.

April weather

The day temperature continues to rise, with its value being 12.6 °C (54.7 °F) in Martha's Vineyard Island, while the beginning of the rise of the sea temperature could be noticed, the value of this measure is 6.6 °C (43.8 °F). The number of sun hours (without clouds) continues to rise, its value is 8 hours. The night temperature continues to rise, with its value being 3.6 °C (38.5 °F). The minimum of the humidity is observable, with its value being 64 %.

May weather

The sea temperature rises similarly to the previous month in Martha's Vineyard Island, and the day temperature rises similarly to the previous month too, the value of this measure is 17.6 °C (63.7 °F). The rainfall amount starts to descent, its value is 95 mm (3.72 in). The rise of the night temperature can be observed, with its value of 8.5 °C (47.3 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 8 hours.

June weather

The day temperature rises similarly to the previous month, with its value being 22.7 °C (72.9 °F) in Martha's Vineyard Island, and the sea temperature rises similarly to the previous month too, with its value being 15.0 °C (59.0 °F). The rainfall amount descents similarly to the previous month, with its value of 89 mm (3.51 in). The maximum of the number of sun hours (without clouds) is observable in June. The night temperature rises similarly to the previous month, with its value of 13.8 °C (56.8 °F). The maximum of the day length can be noticed, its value is 15 hours.

July weather

The tourist season slowly starts in July in Martha's Vineyard Island. The maximum of the day temperature can be noticed, with its value being 26.1 °C (79.0 °F), while the sea temperature continues to rise. The beginning of the descent of the number of rainy days could be noticed, its value is 9 days, while the rainfall amount reaches its minimum in July. The maximum of the night temperature is observable, with its value of 17.5 °C (63.5 °F).

August weather

There is pending tourist season this month in Martha's Vineyard Island. The day temperature starts to descent, with its value being 25.6 °C (78.1 °F), while the maximum of the sea temperature is observable in August. The rainfall amount rise's start could be observed, with its value of 91 mm (3.60 in). The night temperature starts to descent, with its value of 17.0 °C (62.6 °F). The minimum of the wind speed is observable, the value of this measure is 4.1.

September weather

The descent of the day temperature can be observed, with its value of 22.3 °C (72.1 °F) in Martha's Vineyard Island, while the beginning of the descent of the sea temperature could be noticed, with its value being 18.7 °C (65.6 °F). The ongoing tourist season is noticeable. The night temperature continues to descent, with its value of 13.5 °C (56.3 °F). The number of rainy days reaches its minimum, with its value of 8 days. The humidity reaches its maximum, with its value of 75 %.

October weather

The descent of the day temperature can be observed, with its value of 16.9 °C (62.4 °F) in Martha's Vineyard Island, and the sea temperature descents similarly to the previous month too, its value is 15.6 °C (60.0 °F). The number of rainy days starts to rise, its value is 9 days, and the beginning of the rise of the rainfall amount could be noticed too, the value of this measure is 100 mm (3.92 in). The night temperature continues to descent, its value is 7.9 °C (46.2 °F). The number of sun hours (without clouds) descents similarly to the previous month, with its value of 7 hours.

November weather

The day temperature descents similarly to the previous month, with its value of 12.2 °C (54.0 °F) in Martha's Vineyard Island, and the sea temperature descents similarly to the previous month too. The rise of the number of rainy days can be observed, the value of this measure is 10 days, while the maximum of the rainfall amount can be noticed in this month. The descent of the night temperature can be observed, with its value being 3.5 °C (38.3 °F). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 5 hours.

December weather

The day temperature descents similarly to the previous month, its value is 6.9 °C (44.4 °F) in Martha's Vineyard Island, and the descent of the sea temperature can be observed as well, its value is 8.2 °C (46.7 °F). The maximum of the number of rainy days is observable, its value is 11 days. The descent of the night temperature can be observed, its value is -1.5 °C (29.3 °F). The day length is on its minimum, with its value being 9 hours. The minimum of the number of sun hours (without clouds) can be noticed, with its value being 5 hours.

FAQs

What temperature can I expect during the day in Martha's Vineyard Island in June?

In Martha's Vineyard Island in June, the average daily temperatures will be 22.7 °C (72.9 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

What is the sea temperature in Martha's Vineyard Island in July?

In July in Martha's Vineyard Island expect the sea to be warm at 19.0 °C (66.1 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

Is it hot in August in Martha's Vineyard Island?

In August in Martha's Vineyard Island, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is there a wet season in September in Martha's Vineyard Island?

No, there is no wet season in Martha's Vineyard Island in September - you can expect 8 days of rain during the month.