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
May brings an increase in the average high-temperature, progressing from a comfortable 62.2°F (16.8°C) in April to an agreeable 71.4°F (21.9°C). During the May nights, an average temperature of 55.6°F (13.1°C) is observed.Humidity
With an average relative humidity of 79%, May is the most humid month.Rainfall
In May, the rain falls for 17.6 days. Throughout May, 2.87" (73mm) of precipitation is accumulated. In Perry Hall, during the entire year, the rain falls for 156.8 days and collects up to 30.67" (779mm) of precipitation.Snowfall
In Perry Hall, snow does not fall in April through October.Daylight
In Perry Hall, the average length of the day in May is 14h and 22min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:40 am and sunset at 8:26 pm EDT.
Sunshine
In May, the average sunshine is 8.8h.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 threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Perry Hall have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Perry Hall have in May?
When is the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Perry Hall, MD
- Average high temperature in May: 71.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in May: 55.6°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Perry Hall, MD
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Perry Hall, MD
- Average wind speed in May: 7.3mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in May
Perry Hall, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Perry Hall, MD
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in May
Perry Hall, MD
- Average rainfall days in May: 17.6 days
The months with the highest number of rainy days are May and July (17.6 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
Perry Hall, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Perry Hall, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Perry Hall, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in May
Perry Hall, MD
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Perry Hall, 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
Perry Hall, MD
- Average cloud cover in May: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Perry Hall, MD
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Perry Hall, Maryland, USA
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