May weather forecastBarton, MD
May
Weather in May
The last month of the spring, May, is a pleasant month in Barton, Maryland, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 70.3°F (21.3°C).Temperature
As May arrives, a rise in the average high-temperature is observed, moving from a mild 59.5°F (15.3°C) in April to an agreeable 70.3°F (21.3°C). Barton encounters a steady low-temperature average of 49.1°F (9.5°C) throughout the month of May.Humidity
The average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall in Barton. Rain falls for 19.8 days and accumulates 3.31" (84mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Barton aggregates 0.12" (3mm) of snow. Throughout the year, in Barton, there are 45.5 snowfall days, and 20.67" (525mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 22min.On the first day of the month, sunrise is at 6:15 am and sunset at 8:10 pm. On the last day of May, sunrise is at 5:50 am and sunset at 8:37 pm EDT.
Sunshine
The average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during May translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Barton, MD
- Average high temperature in May: 70.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 49.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in May
Barton, 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
Barton, MD
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in May
Barton, MD
- Average humidity in May: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June and July (76%).
Average rainfall in May
Barton, MD
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in May
Barton, MD
- Average rainfall days in May: 19.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (11.8 days).
Average snowfall in May
Barton, MD
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Barton, MD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Barton, MD
- Average daylight in May: 14h and 24min
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 24min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Barton, MD
- Average sunshine days in May: 8.5 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in May
Barton, MD
- Average UV index in May: 5
The month with the highest UV index is June (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
Barton, MD
- Average cloud cover in May: 46
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in May
Barton, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





