May weather forecast
Southampton, MA

Share

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.

Frequently asked questions

What is the usual temperature for Southampton in May?

In May, the average high-temperature and low-temperature are 67.6°F (19.8°C) and 47.8°F (8.8°C) respectively.

What is the average humidity in May?

In Southampton, the average relative humidity in May is 75%.

How many days does it rain in May in Southampton?

In Southampton, in May, during 17.4 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Southampton aggregates 0.24" (6mm) of snow.

How many hours of daylight does Southampton have in May?

In May, the average day length is 14h and 36min.

What time are sunrise and sunset in May?

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.

How many hours of sunshine does Southampton have in May?

The average sunshine duration in May is 8.5h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Southampton, MA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in May - Southampton, 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 3min

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 - 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 - 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 - 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 - 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).

Southampton, Massachusetts, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location