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 brings a slight change in high-temperatures, adjusting from a comfortable 61.5°F (16.4°C) in April to an agreeable 70.2°F (21.2°C). During the nights in May, the temperature in Jefferson, North Carolina, averages to a fresh 50.5°F (10.3°C).Humidity
The months with the highest humidity in Jefferson are May and September, with an average relative humidity of 80%.Rainfall
In Jefferson, in May, during 11.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Jefferson, during the entire year, the rain falls for 118.5 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Jefferson. During 0.2 snowfall days, in May, Jefferson aggregates 0.12" (3mm) of snow. Throughout the year, there are 17.9 snowfall days, and 14.37" (365mm) of snow is accumulated.Daylight
In Jefferson, North Carolina, the average length of the day in May is 14h and 7min.On the first day of May in Jefferson, sunrise is at 6:31 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May in Jefferson is 9.3h.UV index
The months with the highest UV index in Jefferson are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during May translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Jefferson?
What is the most humid month in Jefferson?
What is the average humidity in May in Jefferson?
How much does it rain in Jefferson in May?
What is the last month it snows in Jefferson?
What is the average length of the day in May in Jefferson?
When is the sunrise / sunset in May in Jefferson?
How many hours of sunshine does Jefferson have in May?
When is the highest UV index in Jefferson?
What is the UV index intensity in May in Jefferson?
Average temperature in May
Jefferson, NC
- Average high temperature in May: 70.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 50.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in May
Jefferson, NC
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in May
Jefferson, NC
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Jefferson, NC
- Average humidity in May: 80%
The months with the highest relative humidity are May and September (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Jefferson, NC
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in May
Jefferson, NC
- Average rainfall days in May: 11.7 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in May
Jefferson, NC
- Average snowfall in May: 0.12"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jefferson, NC
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jefferson, NC
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in May
Jefferson, NC
- Average sunshine days in May: 18.4 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in May
Jefferson, NC
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Jefferson, NC
- Average cloud cover in May: 43
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 36).
Average visibility in May
Jefferson, NC
- Average visibility in May: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is September (4mi).
Jefferson, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location