May weather forecastNapeague, NY
May
Weather in May
May, the last month of the spring in Napeague, is a refreshing month, with an average temperature fluctuating between 52.7°F (11.5°C) and 58.1°F (14.5°C).Temperature
The arrival of May brings a soft temperature shift, with the average high-temperature nudging from a chilly 49.8°F (9.9°C) in April to a moderate 58.1°F (14.5°C). Night temperatures during May stabilize at an average of 52.7°F (11.5°C), closely mirroring the daytime temperatures.Humidity
May and June, with an average relative humidity of 82%, are the most humid months.Rainfall
In Napeague, in May, during 14.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows in Napeague. During 0.1 snowfall days, in May, Napeague aggregates 0.16" (4mm) of snow. In Napeague, during the entire year, snow falls for 12.6 days and aggregates up to 5.94" (151mm) of snow.Daylight
In Napeague, the average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:45 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:18 am and sunset at 8:13 pm EDT.
Sunshine
In Napeague, the average sunshine in May is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. 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
Napeague, NY
- Average high temperature in May: 58.1°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 52.7°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 (31.1°F).
Average pressure in May
Napeague, NY
- Average pressure in May: 30.01"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
Napeague, NY
- Average wind speed in May: 12.4mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).
Average humidity in May
Napeague, NY
- Average humidity in May: 82%
The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in May
Napeague, NY
- Average rainfall in May: 2.83"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in May
Napeague, NY
- Average rainfall days in May: 14.8 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Napeague, NY
- Average snowfall in May: 0.16"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Napeague, NY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (3.9 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
Napeague, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Napeague, NY
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).
Average UV index in May
Napeague, 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
Napeague, NY
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Napeague, 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).





