May weather forecast
Yarmouth Port, MA

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Weather in May

The last month of the spring, May, is a refreshing month in Yarmouth Port, Massachusetts, with an average temperature varying between 55.6°F (13.1°C) and 50.9°F (10.5°C).

Temperature

May's onset is marked by a subtle temperature increase, moving from a chilly 47.1°F (8.4°C) in April to a refreshing 55.6°F (13.1°C). A minimal decline in temperature from daytime highs is anticipated in Yarmouth Port throughout the May nights, averaging a cool 50.9°F (10.5°C).

Humidity

The months with the highest humidity in Yarmouth Port are May through July, with an average relative humidity of 83%.

Rainfall

In Yarmouth Port, Massachusetts, in May, during 13.2 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Yarmouth Port, during the entire year, the rain falls for 129.6 days and collects up to 13.94" (354mm) of precipitation.

Snowfall

In Yarmouth Port, snow does not fall in May through November.

Daylight

The average length of the day in May is 14h and 34min.
On the first day of the month, sunrise is at 5:36 am and sunset at 7:39 pm. On the last day of May, sunrise is at 5:08 am and sunset at 8:08 pm EDT.

Sunshine

In Yarmouth Port, the average sunshine in May is 8.7h.

UV index

In Yarmouth Port, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. It's recommended to limit sun exposure when its radiation is at its peak during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What are May temperatures in Yarmouth Port?

The average high-temperature, in May, in Yarmouth Port, is 55.6°F (13.1°C), while the average low-temperature is 50.9°F (10.5°C).

What is the most humid month in Yarmouth Port?

The months with the highest humidity in Yarmouth Port are May through July, with an average relative humidity of 83%.

What is the average humidity in May in Yarmouth Port?

The average relative humidity in May in Yarmouth Port is 83%.

How many days does it rain in May in Yarmouth Port?

In Yarmouth Port, in May, it is raining for 13.2 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow in Yarmouth Port?

May through November are months without snowfall in Yarmouth Port.

Does it snow in Yarmouth Port in May?

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

What is the average length of the day in May in Yarmouth Port?

In Yarmouth Port, the average day length in May is 14h and 34min.

When is the sunrise / sunset in May in Yarmouth Port?

In May, on the first day of the month, sunrise is at 5:36 am and sunset at 7:39 pm. On the last day of the month, in Yarmouth Port, Massachusetts, sunrise is at 5:08 am and sunset at 8:08 pm EDT.

How long on average sun shines in May in Yarmouth Port?

The average sunshine duration in May is 8.7h.

What is the UV index intensity in May in Yarmouth Port?

In Yarmouth Port, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
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
Yarmouth Port, MA

Average temperature in May - Yarmouth Port, MA
  • Average high temperature in May: 55.6°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in May: 50.9°F

The month with the highest average low temperature is August (68.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

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Average pressure in May
Yarmouth Port, MA

Average pressure in May - Yarmouth Port, 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
Yarmouth Port, MA

Average wind speed in May - Yarmouth Port, MA
  • Average wind speed in May: 12.1mph

The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

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Average humidity in May
Yarmouth Port, MA

Average humidity in May - Yarmouth Port, MA
  • Average humidity in May: 83%

The 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
Yarmouth Port, MA

Average rainfall in May - Yarmouth Port, MA
  • Average rainfall in May: 1.14"

The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is August (0.94").

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Average rainfall days in May
Yarmouth Port, MA

Average rainfall days in May - Yarmouth Port, MA
  • Average rainfall days in May: 13.2 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (8.1 days).

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Average snowfall in May
Yarmouth Port, MA

Average snowfall in May - Yarmouth Port, MA
  • Average snowfall in May: 0"

The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in May
Yarmouth Port, MA

Average snowfall days in May - Yarmouth Port, MA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Yarmouth Port, MA

Average daylight in May / Average sunshine in May - Yarmouth Port, MA
  • Average daylight in May: 14h and 4min

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

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in May
Yarmouth Port, MA

Average sunshine days in May - Yarmouth Port, MA
  • Average sunshine days in May: 15.9 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is February (14.8 days).

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Average UV index in May
Yarmouth Port, MA

Average UV index in May - Yarmouth Port, MA
  • Average UV index in May: 4

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
Yarmouth Port, MA

Average cloud cover in May - Yarmouth Port, MA
  • Average cloud cover in May: 43

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

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Average visibility in May
Yarmouth Port, MA

Average visibility in May - Yarmouth Port, 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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Yarmouth Port, Massachusetts, USA

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