May weather forecast
Edgartown, MA

Classy and luxurious houses right on the harbor in Edgartown, Massachusetts, with long piers onto the water
Classy and luxurious houses right on the harbor in Edgartown, Massachusetts, with long piers onto the water

Weather in May

The last month of the spring, May, is a mild month in Edgartown, Massachusetts, with average temperature fluctuating between 56.5°F (13.6°C) and 51.4°F (10.8°C).

Temperature

In Edgartown, the average high-temperature marginally rises, from a frosty 48.7°F (9.3°C) in April, to a moderate 56.5°F (13.6°C). In Edgartown, the average low-temperature is 51.4°F (10.8°C).

Humidity

Months with the highest humidity in Edgartown are May through July, with an average relative humidity of 83%.

Rainfall

In Edgartown, it is raining for 13.9 days, with typically 1.93" (49mm) of accumulated precipitation. In Edgartown, during the entire year, the rain falls for 146.4 days and collects up to 25.47" (647mm) of precipitation.

Snowfall

April through November are months without snowfall in Edgartown, Massachusetts.

Ocean temperature

In Edgartown, the average seawater temperature in May is 50.9°F (10.5°C).
Note: Swimming in 50.9°F (10.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In May, the average length of the day in Edgartown, Massachusetts, is 14.5h.

Sunshine

The average sunshine in May is 8.6h.

UV index

The average daily maximum UV index in Edgartown is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the most humid month in Edgartown?

May through July, with an average relative humidity of 83%, are most humid months.

What is the average humidity in May in Edgartown?

In Edgartown, the average relative humidity in May is 83%.

How much does it rain in Edgartown in May?

In Edgartown, during May, the rain falls for 13.9 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Edgartown?

In Edgartown, Massachusetts, snow does not fall in April through November.

What is the water temperature in May in Edgartown?

In Edgartown, Massachusetts, in May, the average water temperature is 50.9°F (10.5°C). 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. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in May in Edgartown?

The average length of the day in May in Edgartown, Massachusetts, is 14.5h.

How long on average sun shines in May in Edgartown?

The average sunshine in May is 8.6h.

What is the UV index reading in May in Edgartown?

The average daily maximum UV index in May in Edgartown is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in May
Edgartown, MA

Average temperature in May - Edgartown, MA
  • Average high temperature in May: 56.5°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in May: 51.4°F

The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in May
Edgartown, MA

Average pressure in May - Edgartown, MA
  • Average pressure in May: 30.02"

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in May
Edgartown, MA

Average wind speed in May - Edgartown, MA
  • Average wind speed in May: 12.5mph

The windiest month (with the highest average wind speed) is January (16.2mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).

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Average humidity in May
Edgartown, MA

Average humidity in May - Edgartown, MA
  • Average humidity in May: 83%

Months with the highest relative humidity are May, June and July (83%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in May
Edgartown, MA

Average rainfall in May - Edgartown, MA
  • Average rainfall in May: 1.93"

The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are August and November (1.73").

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Average rainfall days in May
Edgartown, MA

Average rainfall days in May - Edgartown, MA
  • Average rainfall days in May: 13.9 days

The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is February (8.6 days).

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Average snowfall in May
Edgartown, MA

Average snowfall in May - Edgartown, MA
  • Average snowfall in May: 0"

The month with the highest snowfall is March (1.18").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Edgartown, MA

Average snowfall days in May - Edgartown, MA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Edgartown, MA

Average sea temperature in May - Edgartown, MA
  • Average sea temperature in May: 50.9°F

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).

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Average daylight in May /
Average sunshine in May
Edgartown, MA

Average daylight in May / Average sunshine in May - Edgartown, MA
  • Average daylight in May: 14.5h

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

  • Average sunshine in May: 8.6h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in May
Edgartown, MA

Average sunshine days in May - Edgartown, MA
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (13.5 days).

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Average UV index in May
Edgartown, MA

Average UV index in May - Edgartown, MA
  • Average UV index in May: 5

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Edgartown, MA

Average cloud cover in May - Edgartown, MA
  • Average cloud cover in May: 43

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Edgartown, MA

Average visibility in May - Edgartown, MA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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