May weather forecastRosemary Hills, MD
May
Weather in May
The last month of the spring, May, is a moderately hot month in Rosemary Hills, Maryland, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 74.3°F (23.5°C).Temperature
The start of May signals an increase in the average high-temperature, moving from an enjoyable 64.9°F (18.3°C) in April to a moderately hot 74.3°F (23.5°C). Rosemary Hills, during the month of May, experiences an average low-temperature of 56.5°F (13.6°C).Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 75%.Rainfall
In Rosemary Hills, in May, it is raining for 17.7 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 154.8 rainfall days, and 30.28" (769mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day in Rosemary Hills is 14h and 19min.On the first day of May, sunrise is at 6:09 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:27 pm EDT.
Sunshine
In May, the average sunshine is 8.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rosemary Hills, MD
- Average high temperature in May: 74.3°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 56.5°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in May
Rosemary Hills, 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
Rosemary Hills, MD
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Rosemary Hills, MD
- Average humidity in May: 75%
The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in May
Rosemary Hills, MD
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Rosemary Hills, 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 November (8.5 days).
Average snowfall in May
Rosemary Hills, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Rosemary Hills, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.6 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
Rosemary Hills, MD
- Average daylight in May: 14h and 18min
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 30min).
- Average sunshine in May: 8h and 36min
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 54min).
Average sunshine days in May
Rosemary Hills, MD
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in May
Rosemary Hills, 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, November and December (UV index 2).
Average cloud cover in May
Rosemary Hills, 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 32).
Average visibility in May
Rosemary Hills, 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).
