May weather forecastCuttyhunk, MA
May
Weather in May
The last month of the spring, May, is a mild month in Cuttyhunk, Massachusetts, with an average temperature varying between 51.4°F (10.8°C) and 56.5°F (13.6°C).Temperature
May brings a slight increase in the average high-temperature, progressing from a frosty 48.7°F (9.3°C) in April to a moderate 56.5°F (13.6°C). May sees a slight dip to an average low temperature of 51.4°F (10.8°C) from the daytime highs.Humidity
The months with the highest humidity are May through July, with an average relative humidity of 83%.Rainfall
In Cuttyhunk, in May, during 13.9 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 146.6 rainfall days, and 25.51" (648mm) of precipitation is accumulated.Snowfall
In Cuttyhunk, Massachusetts, snow does not fall in April through November.Daylight
The average length of the day in May in Cuttyhunk is 14h and 32min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:41 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:10 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cuttyhunk, 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).
Average pressure in May
Cuttyhunk, MA
- Average pressure in May: 30.02"Hg
The months with the highest atmospheric pressure are September and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Cuttyhunk, 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).
Average humidity in May
Cuttyhunk, 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%).
Average rainfall in May
Cuttyhunk, 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").
Average rainfall days in May
Cuttyhunk, 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).
Average snowfall in May
Cuttyhunk, MA
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Cuttyhunk, MA
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.3 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
Cuttyhunk, MA
- Average daylight in May: 14h and 30min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Cuttyhunk, 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).
Average UV index in May
Cuttyhunk, 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).
Average cloud cover in May
Cuttyhunk, 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).
Average visibility in May
Cuttyhunk, 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).





