May weather forecastMont Vernon, NH
May
Weather in May
The last month of the spring, May, is an enjoyable month in Mont Vernon, New Hampshire, with an average temperature varying between 46.9°F (8.3°C) and 67.1°F (19.5°C).Temperature
Mont Vernon's transition into May is marked by a temperature shift, moving from a cool 54.7°F (12.6°C) in April to an enjoyable 67.1°F (19.5°C). Mont Vernon records a steady low-temperature average of 46.9°F (8.3°C) during May.Humidity
In May, the average relative humidity is 74%.Rainfall
In Mont Vernon, during May, the rain falls for 15.7 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Mont Vernon, there are 146.9 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Mont Vernon aggregates 0.16" (4mm) of snow. In Mont Vernon, during the entire year, snow falls for 38.3 days and aggregates up to 26.42" (671mm) of snow.Daylight
The average length of the day in May is 14h and 40min.On the first day of May, sunrise is at 5:39 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:18 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
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 radiation for the average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Be vigilant - Preventing sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
Mont Vernon, NH
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in May
Mont Vernon, 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
Mont Vernon, NH
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in May
Mont Vernon, NH
- Average humidity in May: 74%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Mont Vernon, NH
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in May
Mont Vernon, NH
- Average rainfall days in May: 15.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in May
Mont Vernon, NH
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Mont Vernon, NH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mont Vernon, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Mont Vernon, NH
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in May
Mont Vernon, NH
- Average UV index in May: 5
The months with the highest UV index are 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
Mont Vernon, NH
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Mont Vernon, NH
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
