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
Greenville in May sees a temperature change, with average high-temperatures moving from a cool 54.3°F (12.4°C) in April to a comfortable 67.6°F (19.8°C). The average low-temperature of 46.9°F (8.3°C) is witnessed during May.Humidity
In May, the average relative humidity in Greenville, New York, is 76%.Rainfall
In May, in Greenville, New York, the rain falls for 17.1 days. Throughout May, 3.07" (78mm) of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Greenville. During 0.3 snowfall days, in May, Greenville aggregates 0.2" (5mm) of snow. In Greenville, during the entire year, snow falls for 42.8 days and aggregates up to 22.6" (574mm) of snow.Daylight
In Greenville, New York, the average length of the day in May is 14h and 37min.On the first day of the month, sunrise is at 5:49 am and sunset at 7:56 pm. On the last day of May, in Greenville, sunrise is at 5:21 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in May is 8.8h.UV index
In Greenville, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during May leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greenville in May?
What is the average humidity in May in Greenville?
How many days does it rain in May in Greenville?
What is the last month it snows in Greenville?
How many hours of daylight does Greenville have in May?
When are sunrise and sunset in May in Greenville?
How many hours of sunshine does Greenville have in May?
What is the UV index reading in May in Greenville?
Average temperature in May
Greenville, NY
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in May
Greenville, NY
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Greenville, NY
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Greenville, NY
- Average humidity in May: 76%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Greenville, NY
- Average rainfall in May: 3.07"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in May
Greenville, NY
- Average rainfall days in May: 17.1 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Greenville, NY
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Greenville, NY
- Average snowfall days in May: 0.3 days
The months with the highest number of snowfall days are January and February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Greenville, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in May
Greenville, NY
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in May
Greenville, NY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Greenville, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Greenville, NY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, November and December (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and October (5mi).
Greenville, New York, USA
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