May weather forecast
Cotuit, MA

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Weather in May

May, the last month of the spring in Cotuit, is a refreshing month, with an average temperature ranging between min 51.3°F (10.7°C) and max 56.8°F (13.8°C).

Temperature

May introduces a minor temperature shift, with average high-temperatures adjusting from April's frosty 48.7°F (9.3°C) to a mild 56.8°F (13.8°C). Throughout May nights, Cotuit records a consistent low-temperature averaging a cool 51.3°F (10.7°C).

Humidity

The months with the highest humidity are May through July, with an average relative humidity of 82%.

Rainfall

In Cotuit, in May, it is raining for 15.1 days, with typically 2.36" (60mm) of accumulated precipitation. In Cotuit, during the entire year, the rain falls for 152.1 days and collects up to 32.48" (825mm) of precipitation.

Snowfall

In Cotuit, snow does not fall in May through October.

Ocean temperature

In May, the average ocean temperature in Cotuit is 49.1°F (9.5°C).
Note: If planning to swim in 49.1°F (9.5°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.

Daylight

In Cotuit, the average length of the day in May is 14h and 33min.
On the first day of May in Cotuit, sunrise is at 5:37 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:09 pm EDT.

Sunshine

In May, the average sunshine in Cotuit is 8.5h.

UV index

In May, the average daily maximum UV index in Cotuit, Massachusetts, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the temperature in May in Cotuit?

During May, Cotuit experiences an average high-temperature of 56.8°F (13.8°C) and a low-temperature of 51.3°F (10.7°C).

What is the most humid month in Cotuit?

May through July, with an average relative humidity of 82%, are most humid months in Cotuit.

What is the average humidity in May in Cotuit?

In May, the average relative humidity is 82%.

How many days does it rain in May in Cotuit?

In Cotuit, in May, during 15.1 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Cotuit?

In Cotuit, snow does not fall in May through October.

Does it snow in Cotuit in May?

In May, it doesn't snow. April is the latest month when it typically snows.

How cold is the water in May in Cotuit?

In May, the average ocean temperature in Cotuit, Massachusetts, is 49.1°F (9.5°C). Swimming in 49.1°F (9.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

In Cotuit, Massachusetts, the average day length in May is 14h and 33min.

When is the sunrise / sunset in May in Cotuit?

On the first day of May in Cotuit, sunrise is at 5:37 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:09 pm EDT.

How many hours of sunshine does Cotuit have in May?

In Cotuit, Massachusetts, the average sunshine duration in May is 8.5h.

What is the UV index reading in May in Cotuit?

In May, the average daily maximum UV index in Cotuit is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Cotuit, MA

Average temperature in May - Cotuit, MA
  • Average high temperature in May: 56.8°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is August (68.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in May
Cotuit, MA

Average pressure in May - Cotuit, MA
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in May
Cotuit, MA

Average wind speed in May - Cotuit, MA
  • Average wind speed in May: 11.4mph

The windiest month (with the highest average wind speed) is January (15.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

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Average humidity in May
Cotuit, MA

Average humidity in May - Cotuit, MA
  • Average humidity in May: 82%

The months with the highest relative humidity are May, June and July (82%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in May
Cotuit, MA

Average rainfall in May - Cotuit, MA
  • Average rainfall in May: 2.36"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in May
Cotuit, MA

Average rainfall days in May - Cotuit, MA
  • Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in May
Cotuit, MA

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

The month with the highest snowfall is March (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Cotuit, MA

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

The month with the highest number of snowfall days is January (6.3 days).
The 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
Cotuit, MA

Average sea temperature in May - Cotuit, MA
  • Average sea temperature in May: 49.2°F

The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).

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

Average daylight in May / Average sunshine in May - Cotuit, MA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Cotuit, MA

Average sunshine days in May - Cotuit, MA
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is April (13 days).

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Average UV index in May
Cotuit, MA

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

The months with the highest UV index are July and August (UV index 6).
The 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
Cotuit, MA

Average cloud cover in May - Cotuit, MA
  • Average cloud cover in May: 44

The months with the most cloud cover are March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in May
Cotuit, MA

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

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

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Cotuit, Massachusetts, USA

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