May weather forecastBlue Grass Manor, MD
May
Weather in May
The last month of the spring, May, is a pleasant month in Blue Grass Manor, Maryland, with an average temperature varying between 53.1°F (11.7°C) and 71.2°F (21.8°C).Temperature
May brings a temperature change, with average high-temperatures moving from April's enjoyable 61.5°F (16.4°C) to a pleasant 71.2°F (21.8°C). Throughout May, Blue Grass Manor witnesses a consistent average low-temperature of 53.1°F (11.7°C).Humidity
The most humid month is May, with an average relative humidity of 81%.Rainfall
In Blue Grass Manor, during May, the rain falls for 17.5 days and regularly aggregates up to 3.35" (85mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 32.68" (830mm) of precipitation is accumulated.Snowfall
In Blue Grass Manor, Maryland, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 22min.On the first day of May, sunrise is at 6:07 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:28 pm EDT.
Sunshine
The average sunshine in May is 8.1h.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 risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 6 in May transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Blue Grass Manor, MD
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Blue Grass Manor, 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
Blue Grass Manor, MD
- Average wind speed in May: 6.8mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Blue Grass Manor, MD
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, April, July and November (76%).
Average rainfall in May
Blue Grass Manor, MD
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (2.13").
Average rainfall days in May
Blue Grass Manor, MD
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in May
Blue Grass Manor, MD
- Average snowfall in May: 0"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Blue Grass Manor, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Blue Grass Manor, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in May
Blue Grass Manor, MD
- Average sunshine days in May: 11.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in May
Blue Grass Manor, 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
Blue Grass Manor, MD
- Average cloud cover in May: 48
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Blue Grass Manor, 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).





