May weather forecastReisterstown, MD
May
Weather in May
May, the last month of the spring in Reisterstown, is a pleasant month, with an average temperature varying between 54.1°F (12.3°C) and 71.4°F (21.9°C).Temperature
The arrival of May brings an increase in high-temperatures, moving from a refreshing 62.1°F (16.7°C) in April to an agreeable 71.4°F (21.9°C). During the month of May, Reisterstown's nighttime temperature lowers to an average of 54.1°F (12.3°C).Humidity
The most humid month is May, with an average relative humidity of 80%.Rainfall
In May, the rain falls for 17.7 days. Throughout May, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
In Reisterstown, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 22min.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 8:28 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 6 transforms into these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Reisterstown, MD
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in May
Reisterstown, 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
Reisterstown, MD
- Average wind speed in May: 6.9mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in May
Reisterstown, MD
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall in May
Reisterstown, MD
- Average rainfall in May: 3.19"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in May
Reisterstown, MD
- Average rainfall days in May: 17.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Reisterstown, MD
- Average snowfall in May: 0"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Reisterstown, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.6 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
Reisterstown, 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 24min
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
Reisterstown, MD
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in May
Reisterstown, 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
Reisterstown, MD
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in May
Reisterstown, 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).





