Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The transition to May introduces an increase in the average high-temperature, shifting from a comfortable 62.6°F (17°C) in April to a pleasant 72.3°F (22.4°C). An average temperature of 52.3°F (11.3°C) is recorded during the nights in May.Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 79%.Rainfall
In Boonsboro, Maryland, in May, during 18.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 162.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May is 14h and 22min.On the first day of May, sunrise is at 6:10 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:31 pm EDT.
Sunshine
In May, the average sunshine is 8.4h.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 threat to health from exposure to the Sun's UV rays for the average person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What are the most humid months in Boonsboro?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Boonsboro have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the month with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Boonsboro, MD
- Average high temperature in May: 72.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in May: 52.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in May
Boonsboro, 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
Boonsboro, MD
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in May
Boonsboro, MD
- Average humidity in May: 79%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in May
Boonsboro, MD
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in May
Boonsboro, MD
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Boonsboro, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Boonsboro, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.8 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
Boonsboro, MD
- Average daylight in May: 14h and 2min
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 2min
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
Boonsboro, MD
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in May
Boonsboro, 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
Boonsboro, MD
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in May
Boonsboro, MD
- Average visibility in May: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Boonsboro, Maryland, USA
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