May weather forecastLongs Mountain View, MD
May
Weather in May
May, the last month of the spring in Longs Mountain View, is a pleasant month, with an average temperature varying between 71.2°F (21.8°C) and 52.9°F (11.6°C).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's comfortable 61.5°F (16.4°C) to a pleasant 71.2°F (21.8°C). During May, the average low-temperature is recorded at a cool 52.9°F (11.6°C).Humidity
May is the most humid month, with an average relative humidity of 80%.Rainfall
In May, in Longs Mountain View, Maryland, the rain falls for 18 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 157.5 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Longs Mountain View aggregates 0.04" (1mm) of snow. Throughout the year, there are 22.3 snowfall days, and 9.76" (248mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 23min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:43 am and sunset at 8:30 pm EDT.
Sunshine
The average sunshine in May is 8.5h.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 health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 6 in May transforms into this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Longs Mountain View, MD
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 52.9°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 (23.5°F).
Average pressure in May
Longs Mountain View, 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
Longs Mountain View, MD
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in May
Longs Mountain View, MD
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Longs Mountain View, MD
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in May
Longs Mountain View, MD
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
Longs Mountain View, MD
- Average snowfall in May: 0.04"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Longs Mountain View, MD
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Longs Mountain View, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Longs Mountain View, MD
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Longs Mountain View, 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
Longs Mountain View, MD
- Average cloud cover in May: 46
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Longs Mountain View, MD
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





