May weather forecastSouthampton, NY
May
Weather in May
May, the last month of the spring in Southampton, is a refreshing month, with an average temperature ranging between min 53.2°F (11.8°C) and max 58.3°F (14.6°C).Temperature
May's arrival coincides with a marginal rise in the average high-temperature, moving from April's fresh 50.2°F (10.1°C) to a mild 58.3°F (14.6°C). The nights of May cool down to an average low of 53.2°F (11.8°C), subtly lower than daytime highs.Humidity
The most humid month is May, with an average relative humidity of 82%.Rainfall
In Southampton, in May, it is raining for 14.8 days, with typically 2.17" (55mm) of accumulated precipitation. In Southampton, New York, during the entire year, the rain falls for 145 days and collects up to 24.69" (627mm) of precipitation.Snowfall
January through March, May, November and December are months with snowfall. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Southampton, during the entire year, snow falls for 15.6 days and aggregates up to 5.16" (131mm) of snow.Daylight
The average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:46 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:20 am and sunset at 8:14 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In Southampton, 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 exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 5 in May translates into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Southampton, NY
- Average high temperature in May: 58.3°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in May: 53.2°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Southampton, NY
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Southampton, NY
- Average wind speed in May: 12.2mph
The windiest month (with the highest average wind speed) is January (16.3mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).
Average humidity in May
Southampton, NY
- Average humidity in May: 82%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in May
Southampton, NY
- Average rainfall in May: 2.17"
The wettest months (with the highest rainfall) are October and December (2.6").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Southampton, NY
- Average rainfall days in May: 14.8 days
The months with the highest number of rainy days are May and July (14.8 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall in May
Southampton, NY
- Average snowfall in May: 0.04"
The month with the highest snowfall is March (1.57").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in May
Southampton, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Southampton, NY
- 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 18min).
- Average sunshine in May: 8h and 54min
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 42min).
Average sunshine days in May
Southampton, NY
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in May
Southampton, NY
- 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 and December (UV index 2).
Average cloud cover in May
Southampton, NY
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in May
Southampton, NY
- 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).
