May weather forecastWest Chesterfield, NH
May
Weather in May
The last month of the spring, May, is an enjoyable month in West Chesterfield, New Hampshire, with an average temperature varying between 45.5°F (7.5°C) and 65.8°F (18.8°C).Temperature
West Chesterfield in May sees a temperature change, with average high-temperatures moving from a cool 52.5°F (11.4°C) in April to a refreshing 65.8°F (18.8°C). During the nights in May, the temperature averages to a chilly 45.5°F (7.5°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In May, in West Chesterfield, the rain falls for 10 days. Throughout May, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 91.5 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May in West Chesterfield is 14h and 40min.On the first day of May, sunrise is at 5:42 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:21 pm EDT.
Sunshine
In West Chesterfield, the average sunshine in May is 8.7h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 5 during May leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
West Chesterfield, NH
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 45.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in May
West Chesterfield, NH
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
West Chesterfield, NH
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
West Chesterfield, NH
- Average humidity in May: 75%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
West Chesterfield, NH
- Average rainfall in May: 0.71"
The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in May
West Chesterfield, NH
- Average rainfall days in May: 10 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in May
West Chesterfield, NH
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
West Chesterfield, NH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7.8 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 Chesterfield, 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 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in May
West Chesterfield, NH
- Average sunshine days in May: 18.5 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in May
West Chesterfield, 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 Chesterfield, NH
- Average cloud cover in May: 46
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
West Chesterfield, NH
- Average visibility in May: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).





