May weather forecast
West Hyannisport, MA

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Weather in May

The last month of the spring, May, is a refreshing month in West Hyannisport, Massachusetts, with an average temperature varying between 55.4°F (13°C) and 50.9°F (10.5°C).

Temperature

Entering May, West Hyannisport notices a subtle temperature elevation, with the average high-temperature advancing from April's chilly 47.1°F (8.4°C) to a refreshing 55.4°F (13°C). West Hyannisport notes an average temperature descent to a cool 50.9°F (10.5°C) in May, a small shift from its daytime peak.

Humidity

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

Rainfall

In West Hyannisport, in May, during 14.9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In West Hyannisport, during the entire year, the rain falls for 157.2 days and collects up to 31.77" (807mm) of precipitation.

Snowfall

In West Hyannisport, snow does not fall in May through November.

Daylight

In May, the average length of the day is 14h and 33min.
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 5:09 am and sunset at 8:08 pm EDT.

Sunshine

In May, the average sunshine is 8.7h.

UV index

In West Hyannisport, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Take precautions - Protection against sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

What are May temperatures?

West Hyannisport in May has an average high-temperature of 55.4°F (13°C) and an average low-temperature of 50.9°F (10.5°C).

What is the average humidity in May?

The average relative humidity in May is 83%.

How much does it rain in May?

In West Hyannisport, in May, it is raining for 14.9 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow?

May through November are months without snowfall.

Does it snow in May?

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

How many hours of daylight does West Hyannisport have in May?

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

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:36 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:08 pm EDT.

How many hours of sunshine does West Hyannisport have in May?

The average sunshine duration in May is 8.7h.

What is the UV index reading in May?

In West Hyannisport, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
West Hyannisport, MA

Average temperature in May - West Hyannisport, MA
  • Average high temperature in May: 55.4°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).

Average pressure in May
West Hyannisport, MA

Average pressure in May - West Hyannisport, 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).

Average wind speed in May
West Hyannisport, MA

Average wind speed in May - West Hyannisport, MA
  • Average wind speed in May: 12.2mph

The windiest month (with the highest average wind speed) is January (16.5mph).
The calmest month (with the lowest average wind speed) is August (10.6mph).

Average humidity in May
West Hyannisport, MA

Average humidity in May - West Hyannisport, MA
  • Average humidity in May: 83%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (74%).

Average rainfall in May
West Hyannisport, MA

Average rainfall in May - West Hyannisport, MA
  • Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is August (1.73").

Average rainfall days in May
West Hyannisport, MA

Average rainfall days in May - West Hyannisport, MA
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in May
West Hyannisport, MA

Average snowfall in May - West Hyannisport, MA
  • Average snowfall in May: 0"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September, October and November (0").

Average snowfall days in May
West Hyannisport, MA

Average snowfall days in May - West Hyannisport, MA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
West Hyannisport, MA

Average daylight in May / Average sunshine in May - West Hyannisport, 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 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).

Average sunshine days in May
West Hyannisport, MA

Average sunshine days in May - West Hyannisport, MA
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is August (17.7 days).
The month with the least sunshine days is February (11.4 days).

Average UV index in May
West Hyannisport, MA

Average UV index in May - West Hyannisport, 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).

Average cloud cover in May
West Hyannisport, MA

Average cloud cover in May - West Hyannisport, 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).

Average visibility in May
West Hyannisport, MA

Average visibility in May - West Hyannisport, 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).

West Hyannisport, Massachusetts, USA

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