May weather forecastGreenville, NH
May
Weather in May
The last month of the spring, May, is a comfortable month in Greenville, New Hampshire, with an average temperature fluctuating between 65.3°F (18.5°C) and 46°F (7.8°C).Temperature
Greenville's weather in May shows a rise in the average high-temperature, moving up from April's cool 52.9°F (11.6°C) to an enjoyable 65.3°F (18.5°C). During May, Greenville's temperature falls to a steady low-temperature average of 46°F (7.8°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Greenville, in May, during 13.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Greenville, during the entire year, the rain falls for 113.8 days and collects up to 12.44" (316mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.7 snowfall days, in May, Greenville aggregates 0.28" (7mm) of snow. In Greenville, during the entire year, snow falls for 45.3 days and aggregates up to 18.78" (477mm) of snow.Daylight
In Greenville, the average length of the day in May 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 Greenville, the average sunshine in May is 8.2h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 42min
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 12min
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).
