Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May's arrival brings a modest temperature shift, moving from a cool 50.2°F (10.1°C) in April to a refreshing 58.3°F (14.6°C). During May, Water Mill's nights hold steady with an average temperature of 53.2°F (11.8°C), barely dropping from the daytime highs.Humidity
With an average relative humidity of 82%, May is the most humid month.Rainfall
In Water Mill, in May, during 14.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 145 rainfall days, and 24.69" (627mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, May, November and December. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 15.6 snowfall days, and 5.16" (131mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 29min.On the first day of May, sunrise is at 5:46 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:14 pm EDT.
Sunshine
In May, the average sunshine is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In May, a regular UV index of 5 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
When does it start to snow?
What is the average length of the day in May in Water Mill?
What time are sunrise and sunset in May?
How many hours of sunshine does Water Mill have in May?
How high is the UV index in May?
Average temperature in May
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, NY
- Average daylight in May: 14h and 3min
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 5min
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
Water Mill, 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
Water Mill, 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
Water Mill, 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
Water Mill, 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).
Water Mill, New York, USA
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