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 onset of May introduces a subtle rise in the average high-temperature, nudging from a refreshing 62.1°F (16.7°C) in April to a pleasant 70.7°F (21.5°C). During May, the temperature is averaged to a low of 57.9°F (14.4°C) at night.Humidity
The most humid month is May, with an average relative humidity of 79%.Rainfall
In May, the rain falls for 17.2 days. Throughout May, 2.64" (67mm) of precipitation is accumulated. In Swan Villas, during the entire year, the rain falls for 157 days and collects up to 32.91" (836mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Swan Villas, Maryland, the average length of the day in May is 14h and 19min.On the first day of May, sunrise is at 6:06 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:23 pm EDT.
Sunshine
In Swan Villas, the average sunshine in May is 9.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 6 suggests this advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Swan Villas in May?
What is the most humid month?
What is the average humidity in May?
How many days does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May?
What time are sunrise and sunset in May in Swan Villas?
How many hours of sunshine does Swan Villas have in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Swan Villas, MD
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in May: 57.9°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in May
Swan Villas, MD
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Swan Villas, MD
- Average wind speed in May: 8.3mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Swan Villas, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in May
Swan Villas, MD
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in May
Swan Villas, MD
- Average rainfall days in May: 17.2 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).
Average snowfall in May
Swan Villas, MD
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Swan Villas, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.2 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
Swan Villas, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 2min
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 12min).
Average sunshine days in May
Swan Villas, MD
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).
Average UV index in May
Swan Villas, 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
Swan Villas, MD
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Swan Villas, 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).
Swan Villas, Maryland, USA
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