May weather forecastChatham Hills, MD
May
Weather in May
The last month of the spring, May, is a pleasant month in Chatham Hills, Maryland, with an average temperature varying between 57.2°F (14°C) and 72.1°F (22.3°C).Temperature
A shift in the average high-temperature is noticeable in May, changing from an enjoyable 62.8°F (17.1°C) in April to an agreeable 72.1°F (22.3°C). During the month of May, the nighttime temperature in Chatham Hills falls to an average of 57.2°F (14°C).Humidity
With an average relative humidity of 78%, May is the most humid month.Rainfall
In Chatham Hills, during May, the rain falls for 17.5 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Chatham Hills, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Chatham Hills, the average length of the day in May is 14h and 20min.On the first day of the month, sunrise is at 6:07 am and sunset at 7:59 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:26 pm EDT.
Sunshine
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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during May morphs into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Chatham Hills, MD
- Average high temperature in May: 72.1°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 (39.6°F).
- Average low temperature in May: 57.2°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in May
Chatham 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 (29.94"Hg).
Average wind speed in May
Chatham Hills, MD
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Chatham Hills, MD
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in May
Chatham Hills, MD
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Chatham Hills, MD
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in May
Chatham Hills, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Chatham Hills, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.4 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
Chatham 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: 9h and 6min
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
Chatham Hills, MD
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in May
Chatham 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
Chatham Hills, MD
- Average cloud cover in May: 42
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 28).
Average visibility in May
Chatham Hills, 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).
