May weather forecastSouthampton, MA
May
Weather in May
May, the last month of the spring in Southampton, is a comfortable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 67.6°F (19.8°C).Temperature
The beginning of May marks a shift in the average high-temperature, moving from April's mild 55.9°F (13.3°C) to an enjoyable 67.6°F (19.8°C). The average temperature during May nights in Southampton is registered at a chilly 47.8°F (8.8°C).Humidity
The average relative humidity in May is 75%.Rainfall
In Southampton, in May, during 17.4 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 169.1 rainfall days, and 32.56" (827mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Southampton. During 0.2 snowfall days, in May, Southampton aggregates 0.24" (6mm) of snow. Throughout the year, there are 37.4 snowfall days, and 21.77" (553mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 36min.On the first day of May, sunrise is at 5:45 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:20 pm EDT.
Sunshine
In Southampton, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 during May translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Southampton, MA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in May: 47.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in May
Southampton, MA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Southampton, MA
- Average wind speed in May: 6.4mph
The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Southampton, MA
- Average humidity in May: 75%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Southampton, MA
- Average rainfall in May: 2.87"
The wettest months (with the highest rainfall) are October and December (3.27").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Southampton, MA
- Average rainfall days in May: 17.4 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in May
Southampton, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Southampton, MA
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Southampton, 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 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Southampton, MA
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is January (16.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Southampton, MA
- Average UV index in May: 5
The month with the highest UV index is June (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
Southampton, MA
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Southampton, MA
- Average visibility in May: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
