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
The commencement of May sees a shift in the average high-temperature, moving from a refreshing 55.6°F (13.1°C) in April to a comfortable 66.7°F (19.3°C). The temperature in Wilmington lowers to an average of 49.3°F (9.6°C) during May nights.Humidity
In May, the average relative humidity is 72%.Rainfall
In Wilmington, in May, it is raining for 15.5 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 138.8 rainfall days, and 26.85" (682mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Wilmington. During 0.1 snowfall days, in May, Wilmington aggregates 0.12" (3mm) of snow. In Wilmington, Massachusetts, during the entire year, snow falls for 30.6 days and aggregates up to 18.86" (479mm) of snow.Daylight
In Wilmington, the average length of the day in May is 14h and 38min.On the first day of the month, sunrise is at 5:38 am and sunset at 7:45 pm. On the last day of May, in Wilmington, sunrise is at 5:09 am and sunset at 8:15 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
In Wilmington, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Wilmington in May?
What is the average humidity in May in Wilmington?
How much does it rain in Wilmington in May?
What is the last month it snows in Wilmington?
What is the average length of the day in May in Wilmington?
What time are sunrise and sunset in May in Wilmington?
How many hours of sunshine does Wilmington have in May?
What is the UV index intensity in May in Wilmington?
Average temperature in May
Wilmington, MA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in May: 49.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in May
Wilmington, MA
- Average pressure in May: 30.01"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
Wilmington, MA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in May
Wilmington, MA
- Average humidity in May: 72%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (69%).
Average rainfall in May
Wilmington, MA
- Average rainfall in May: 1.97"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in May
Wilmington, MA
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in May
Wilmington, MA
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wilmington, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wilmington, MA
- 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Wilmington, MA
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in May
Wilmington, MA
- Average UV index in May: 5
The months with the highest UV index are June, 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
Wilmington, MA
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Wilmington, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
Wilmington, Massachusetts, USA
Weather forecast for your location
2. Allow the app to use your location
