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
With the onset of May, Greenville sees a temperature rise, with the average high-temperature moving from April's cool 52.9°F (11.6°C) to a refreshing 65.3°F (18.5°C). Greenville observes an average low-temperature of 46°F (7.8°C) during May nights.Humidity
In May, the average relative humidity is 75%.Rainfall
In Greenville, during May, the rain falls for 13.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Greenville, during the entire year, the rain falls for 113.8 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall in Greenville are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Greenville aggregates 0.28" (7mm) of snow. Throughout the year, in Greenville, there are 45.3 snowfall days, and 18.78" (477mm) of snow is accumulated.Daylight
In May, the average length of the day in Greenville is 14h and 39min.On the first day of the month, sunrise is at 5:40 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:11 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 8.2h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are the temperatures in Greenville in May?
What is the average humidity in May in Greenville?
How much does it rain in Greenville in May?
What is the last month it snows in Greenville?
What is the average length of the day in May in Greenville?
What time are sunrise and sunset in May in Greenville?
How many hours of sunshine does Greenville have in May?
What is the UV index intensity in May in Greenville?
Average temperature in May
Greenville, NH
- Average high temperature in May: 65.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in May
Greenville, NH
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Greenville, NH
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Greenville, NH
- Average humidity in May: 75%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Greenville, NH
- Average rainfall in May: 1.14"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in May
Greenville, NH
- Average rainfall days in May: 13.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in May
Greenville, NH
- Average snowfall in May: 0.28"
The month with the highest snowfall is November (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Greenville, NH
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (9.7 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, NH
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in May
Greenville, NH
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in May
Greenville, NH
- 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, NH
- Average cloud cover in May: 49
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Greenville, NH
- Average visibility in May: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Greenville, New Hampshire, USA
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