May weather forecastWeweantic, MA
May
Weather in May
May, the last month of the spring in Weweantic, is a refreshing month, with an average temperature varying between 60.4°F (15.8°C) and 50.9°F (10.5°C).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a fresh 51.3°F (10.7°C) to a refreshing 60.4°F (15.8°C). May nights experience a consistent temperature drop to a cool 50.9°F (10.5°C).Humidity
In Weweantic, the average relative humidity in May is 79%.Rainfall
In Weweantic, in May, it is raining for 14.1 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 136.3 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Weweantic aggregates 0.12" (3mm) of snow. Throughout the year, there are 21.6 snowfall days, and 4.29" (109mm) of snow is accumulated.Ocean temperature
In Weweantic, the average seawater temperature in May is 50.4°F (10.2°C).Note: Navigating the 50.4°F (10.2°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
In May, the average length of the day is 14h and 34min.On the first day of the month, sunrise is at 5:38 am and sunset at 7:41 pm. On the last day of May, in Weweantic, sunrise is at 5:10 am and sunset at 8:10 pm EDT.
Sunshine
The average sunshine in May in Weweantic is 8.6h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Weweantic, MA
- Average high temperature in May: 60.4°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 50.9°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in May
Weweantic, MA
- Average pressure in May: 30.01"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
Weweantic, MA
- Average wind speed in May: 9.8mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in May
Weweantic, MA
- Average humidity in May: 79%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in May
Weweantic, MA
- Average rainfall in May: 1.3"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in May
Weweantic, MA
- Average rainfall days in May: 14.1 days
The months with the highest number of rainy days are May and July (14.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Weweantic, MA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Weweantic, 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 and September (0 days).
Average sea temperature in May
Weweantic, MA
- Average sea temperature in May: 50.4°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in May /
Average sunshine in May
Weweantic, MA
- Average daylight in May: 14h and 36min
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 36min
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 48min).
Average sunshine days in May
Weweantic, MA
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in May
Weweantic, MA
- Average UV index in May: 5
The months with the highest UV index are June, 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
Weweantic, MA
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Weweantic, 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).





