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
May brings a rise in Greenhills's average high-temperature, moving from a comfortable 63°F (17.2°C) in April to a pleasant 72.7°F (22.6°C). The month of May records an average low-temperature of 54.5°F (12.5°C) in Greenhills, Maryland.Humidity
May and October, with an average relative humidity of 79%, are the most humid months.Rainfall
In Greenhills, in May, it is raining for 17.7 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Greenhills, Maryland. During 0.1 snowfall days, in May, Greenhills aggregates 0.2" (5mm) of snow. In Greenhills, during the entire year, snow falls for 21.3 days and aggregates up to 13.31" (338mm) of snow.Daylight
The average length of the day in May in Greenhills is 14h and 21min.On the first day of the month, sunrise is at 6:09 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:44 am and sunset at 8:29 pm EDT.
Sunshine
In Greenhills, the average sunshine in May is 8.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 6 in May translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the temperature in May in Greenhills?
What are the most humid months in Greenhills?
What is the average humidity in May in Greenhills?
How many days does it rain in May in Greenhills?
What is the last month it snows in Greenhills?
What is the average length of the day in May in Greenhills?
When are sunrise and sunset in May in Greenhills?
How long on average sun shines in May in Greenhills?
When is the highest UV index in Greenhills?
What is the UV index intensity in May in Greenhills?
Average temperature in May
Greenhills, MD
- Average high temperature in May: 72.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Greenhills, 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 (29.95"Hg).
Average wind speed in May
Greenhills, MD
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Greenhills, MD
- Average humidity in May: 79%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in May
Greenhills, MD
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in May
Greenhills, MD
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Greenhills, MD
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Greenhills, MD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Greenhills, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in May
Greenhills, MD
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Greenhills, 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, February, November and December (UV index 2).
Average cloud cover in May
Greenhills, MD
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Greenhills, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Greenhills, Maryland, USA
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