Vineyard Haven
Massachusetts, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Vineyard Haven, MA

In Vineyard Haven, Massachusetts, the average seawater temperature in January is 41.4°F (5.2°C). Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in January »
With an average ocean temperature of 37.9°F (3.3°C), February is the month with the coldest seawater in Vineyard Haven, Massachusetts. Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in February »

In Vineyard Haven, Massachusetts, the average seawater temperature in March is 38.3°F (3.5°C). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in March »

In April, the average ocean temperature in Vineyard Haven, Massachusetts, is 44.2°F (6.8°C). Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in April »

In Vineyard Haven, Massachusetts, the average seawater temperature in May is 50.9°F (10.5°C). Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in May »

In Vineyard Haven, Massachusetts, the average seawater temperature in June is 58.8°F (14.9°C). Note: Swimming in 58.8°F (14.9°C) is considered life-threatening. Weather in June »

In Vineyard Haven, Massachusetts, in July, the average water temperature is 66.6°F (19.2°C). Note: For most, swimming in 66.6°F (19.2°C) is not an enjoyable activity. Weather in July »

The month with the warmest seawater in Vineyard Haven, Massachusetts, is August, with an average ocean temperature of 68.5°F (20.3°C). Note: Swimming in 68.5°F (20.3°C) is not enjoyable for the majority. Weather in August »

In Vineyard Haven, Massachusetts, in September, the average water temperature is 66.4°F (19.1°C). Note: For most, swimming in 66.4°F (19.1°C) is not an enjoyable activity. Weather in September »

In Vineyard Haven, Massachusetts, in October, the average water temperature is 61.3°F (16.3°C). Note: Swimming in 61.3°F (16.3°C) is not enjoyable for the majority. Weather in October »

In November, the average ocean temperature in Vineyard Haven, Massachusetts, is 53.6°F (12°C). Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in November »

In Vineyard Haven, Massachusetts, the average seawater temperature in December is 47.1°F (8.4°C). Note: Swimming in 47.1°F (8.4°C) is considered dangerous. Weather in December »

When is the ocean coldest in Vineyard Haven?

The month with the coldest seawater is February, with an average ocean temperature of 37.9°F (3.3°C).

When are the longest days in Vineyard Haven?

The month with the longest days in Vineyard Haven, Massachusetts, is June, with an average of 15.1h of daylight.

What month is the ocean warmest in Vineyard Haven?

August is the month with the warmest seawater in Vineyard Haven, Massachusetts, with an average ocean temperature of 68.5°F (20.3°C).

What is the month with the shortest days in Vineyard Haven?

The month with the shortest days in Vineyard Haven, Massachusetts, is December, with an average of 9.2h of daylight.
Average sea temperature - Vineyard Haven, MA

The best month for swimming (with the highest average sea temperature) is August (68.5°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).

Average daylight - Vineyard Haven, MA

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).