May weather forecastWest Lebanon, NH
May
Weather in May
The last month of the spring, May, is a refreshing month in West Lebanon, New Hampshire, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 64.9°F (18.3°C).Temperature
The arrival of May signals a clear increase in the average high-temperature, soaring from a fresh 50.5°F (10.3°C) in April to an enjoyable 64.9°F (18.3°C). During the month of May, an average temperature of 44.2°F (6.8°C) is noted during the nights.Humidity
With an average relative humidity of 75%, May is the least humid month.Rainfall
In West Lebanon, in May, during 16.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 28.46" (723mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, West Lebanon aggregates 0.31" (8mm) of snow. In West Lebanon, New Hampshire, during the entire year, snow falls for 68.9 days and aggregates up to 35.91" (912mm) of snow.Daylight
In May, the average length of the day is 14h and 44min.On the first day of the month, sunrise is at 5:40 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:23 pm EDT.
Sunshine
In West Lebanon, the average sunshine in May is 8.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
West Lebanon, NH
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in May
West Lebanon, NH
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
West Lebanon, NH
- Average wind speed in May: 6.3mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
West Lebanon, NH
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
West Lebanon, NH
- Average rainfall in May: 2.32"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
West Lebanon, NH
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in May
West Lebanon, NH
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
West Lebanon, NH
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Lebanon, NH
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
West Lebanon, NH
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in May
West Lebanon, NH
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
West Lebanon, NH
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
West Lebanon, NH
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
