May weather forecastWyandanch, NY
May
Weather in May
May, the last month of the spring in Wyandanch, is a comfortable month, with an average temperature varying between 62.2°F (16.8°C) and 54.7°F (12.6°C).Temperature
Wyandanch's weather in May shows a rise in the average high-temperature, moving up from April's fresh 52.9°F (11.6°C) to a comfortable 62.2°F (16.8°C). Wyandanch marks an average drop to a fresh 54.7°F (12.6°C) during nighttime in May, following the high of the day.Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
In Wyandanch, in May, during 16.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 157 rainfall days, and 35.98" (914mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 28min.On the first day of the month, sunrise is at 5:50 am and sunset at 7:50 pm. On the last day of May, sunrise is at 5:24 am and sunset at 8:18 pm EDT.
Sunshine
In Wyandanch, the average sunshine in May is 9h.UV index
In Wyandanch, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: During May, 5 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Wyandanch, NY
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.7°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in May
Wyandanch, NY
- Average pressure in May: 30.01"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
Wyandanch, NY
- Average wind speed in May: 10mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in May
Wyandanch, NY
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Wyandanch, NY
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in May
Wyandanch, NY
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in May
Wyandanch, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Wyandanch, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wyandanch, NY
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Wyandanch, NY
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in May
Wyandanch, 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
Wyandanch, NY
- Average cloud cover in May: 41
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Wyandanch, 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).





