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
Grantham Hall sees an increase in the average high-temperature with the arrival of May, moving from April's enjoyable 62.2°F (16.8°C) to a pleasant 71.2°F (21.8°C). During the month of May, Grantham Hall anticipates a mean low-temperature of 58.3°F (14.6°C).Humidity
With an average relative humidity of 79%, May is the most humid month in Grantham Hall.Rainfall
In May, the rain falls for 13.6 days. Throughout May, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
In Grantham Hall, snow does not fall in April through October.Daylight
The average length of the day in May is 14h and 18min.On the first day of May, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:25 pm EDT.
Sunshine
In Grantham Hall, Maryland, the average sunshine in May is 9.1h.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 threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 in May translates into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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 many days does it rain in May?
When it does not snow?
How many hours of daylight does Grantham Hall have in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Grantham Hall have in May?
When is the highest UV index?
How high is the UV index in May?
Average temperature in May
Grantham Hall, MD
- Average high temperature in May: 71.2°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 (40.6°F).
- Average low temperature in May: 58.3°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in May
Grantham 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
Grantham Hall, MD
- Average wind speed in May: 8mph
The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in May
Grantham Hall, MD
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in May
Grantham Hall, MD
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in May
Grantham Hall, MD
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in May
Grantham Hall, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Grantham Hall, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.9 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
Grantham Hall, MD
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in May
Grantham Hall, MD
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).
Average UV index in May
Grantham 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 and December (UV index 2).
Average cloud cover in May
Grantham Hall, MD
- Average cloud cover in May: 41
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in May
Grantham 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).
Grantham Hall, Maryland, USA
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