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
Greenbelt sees an increase in average high-temperatures during May, moving from an enjoyable 64.8°F (18.2°C) in April to a warm 73.9°F (23.3°C). Greenbelt, during the month of May, experiences an average low-temperature of 57°F (13.9°C).Humidity
May, October and December, with an average relative humidity of 76%, are the most humid months in Greenbelt.Rainfall
In Greenbelt, Maryland, during May, the rain falls for 17.9 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, in Greenbelt, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.Snowfall
In Greenbelt, Maryland, snow does not fall in May through November.Daylight
In May, the average length of the day is 14h and 19min.On the first day of May in Greenbelt, sunrise is at 6:08 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:26 pm EDT.
Sunshine
In Greenbelt, Maryland, the average sunshine in May is 8.9h.UV index
The months with the highest UV index in Greenbelt are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, a daily UV index of 6 turns into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What are May temperatures in Greenbelt?
What is the most humid month in Greenbelt?
What is the average humidity in May in Greenbelt?
How many days does it rain in May in Greenbelt?
When it does not snow in Greenbelt?
Does it snow in Greenbelt in May?
How many hours of daylight does Greenbelt have in May?
When is the sunrise / sunset in May in Greenbelt?
How long on average sun shines in May in Greenbelt?
What are the months with the highest UV index in Greenbelt?
What is the UV index intensity in May in Greenbelt?
Average temperature in May
Greenbelt, MD
- Average high temperature in May: 73.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in May: 57°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in May
Greenbelt, MD
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Greenbelt, MD
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Greenbelt, MD
- Average humidity in May: 76%
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in May
Greenbelt, MD
- Average rainfall in May: 2.99"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in May
Greenbelt, MD
- Average rainfall days in May: 17.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Greenbelt, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in May
Greenbelt, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Greenbelt, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Greenbelt, MD
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in May
Greenbelt, MD
- Average UV index in May: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Greenbelt, MD
- Average cloud cover in May: 43
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in May
Greenbelt, MD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greenbelt, Maryland, USA
Weather forecast for your location
2. Allow the app to use your location
