May weather forecastGreenlawn, NY
May
Weather in May
May, the last month of the spring in Greenlawn, is an enjoyable month, with an average temperature fluctuating between 63.7°F (17.6°C) and 54.1°F (12.3°C).Temperature
May witnesses an increase in the average high-temperature, moving from a cool 54°F (12.2°C) in April to an enjoyable 63.7°F (17.6°C). Greenlawn's nighttime temperature during May is consistently averaged at a cool 54.1°F (12.3°C).Humidity
May and June, with an average relative humidity of 76%, are the most humid months.Rainfall
In Greenlawn, in May, during 16.3 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Greenlawn, during the entire year, the rain falls for 152.5 days and collects up to 35.04" (890mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Greenlawn, the average length of the day in May is 14h and 29min.On the first day of May in Greenlawn, sunrise is at 5:50 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:18 pm EDT.
Sunshine
In Greenlawn, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Greenlawn, New York, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 5 suggests these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Greenlawn, NY
- Average high temperature in May: 63.7°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in May
Greenlawn, 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
Greenlawn, NY
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in May
Greenlawn, NY
- Average humidity in May: 76%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Greenlawn, NY
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in May
Greenlawn, NY
- Average rainfall days in May: 16.3 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
Greenlawn, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Greenlawn, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Greenlawn, 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 July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Greenlawn, NY
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in May
Greenlawn, 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, November and December (UV index 2).
Average cloud cover in May
Greenlawn, NY
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in May
Greenlawn, 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).
