May weather forecastRandallstown, MD
May
Weather in May
May, the last month of the spring in Randallstown, is a pleasant month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 55°F (12.8°C).Temperature
The commencement of May sees a shift in the average high-temperature, moving from a comfortable 62.6°F (17°C) in April to a pleasant 72.1°F (22.3°C). Randallstown encounters an average low-temperature of 55°F (12.8°C) during May nights.Humidity
The most humid month is May, with an average relative humidity of 78%.Rainfall
In Randallstown, in May, during 18.2 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Randallstown, Maryland, during the entire year, the rain falls for 167.8 days and collects up to 34.53" (877mm) of precipitation.Snowfall
In Randallstown, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 21min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:27 pm EDT.
Sunshine
In May, the average sunshine 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 reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In May, the average maximum UV index of 6 translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Randallstown, MD
- Average high temperature in May: 72.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Randallstown, 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
Randallstown, MD
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Randallstown, MD
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall in May
Randallstown, MD
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is August (4.37").
The driest months (with the least rainfall) are January and February (2.28").
Average rainfall days in May
Randallstown, MD
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in May
Randallstown, MD
- Average snowfall in May: 0"
The month with the highest snowfall is March (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Randallstown, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (6.1 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
Randallstown, 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 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in May
Randallstown, MD
- Average sunshine days in May: 10.2 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in May
Randallstown, 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
Randallstown, MD
- Average cloud cover in May: 45
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
Randallstown, 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).





