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's arrival signals an increase in average high-temperatures, moving from April's enjoyable 65.3°F (18.5°C) to a moderately hot 74.8°F (23.8°C). Jefferson, during the nights of May, experiences an average temperature drop to a refreshing 56.7°F (13.7°C).Humidity
In Jefferson, the average relative humidity in May is 76%.Rainfall
In Jefferson, in May, during 18.2 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 161.2 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
In Jefferson, Maryland, snow does not fall in May through October.Daylight
In Jefferson, Maryland, the average length of the day in May is 14h and 21min.On the first day of May in Jefferson, sunrise is at 6:10 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:30 pm EDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
The months with the highest UV index in Jefferson 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 rays for ordinary individuals.Note: In May, a daily UV index of 6 turns into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in Jefferson in May?
What is the average humidity in May in Jefferson?
How many days does it rain in May in Jefferson?
When it does not snow in Jefferson?
Does it snow in Jefferson in May?
What is the average length of the day in May in Jefferson?
When is the sunrise / sunset in May in Jefferson?
How long on average sun shines in May in Jefferson?
What are the months with the highest UV index in Jefferson?
What is the UV index intensity in May in Jefferson?
Average temperature in May
Jefferson, MD
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in May: 56.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in May
Jefferson, 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
Jefferson, MD
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Jefferson, MD
- Average humidity in May: 76%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in May
Jefferson, MD
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in May
Jefferson, MD
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in May
Jefferson, MD
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Jefferson, MD
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.9 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
Jefferson, 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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in May
Jefferson, MD
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in May
Jefferson, 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
Jefferson, MD
- Average cloud cover in May: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in May
Jefferson, 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).
Jefferson, Maryland, USA
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