May weather forecastBarbourville, KY
May
Weather in May
The last month of the spring, May, is a warm month in Barbourville, Kentucky, with an average temperature varying between 75.4°F (24.1°C) and 54.5°F (12.5°C).Temperature
The onset of May marks an increase in the average high-temperature, moving from a refreshing 66.2°F (19°C) in April to a warm 75.4°F (24.1°C). Throughout the May nights, Barbourville encounters a low-temperature of 54.5°F (12.5°C).Humidity
In May, the average relative humidity is 78%.Rainfall
In Barbourville, in May, during 19.3 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. In Barbourville, during the entire year, the rain falls for 185.2 days and collects up to 39.88" (1013mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 9min.On the first day of May, sunrise is at 6:40 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:48 pm EDT.
Sunshine
In May, the average sunshine is 9.4h.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 exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 6 during May, leads to the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Barbourville, KY
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in May: 54.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in May
Barbourville, KY
- Average pressure in May: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Barbourville, KY
- Average wind speed in May: 5.5mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in May
Barbourville, KY
- Average humidity in May: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).
Average rainfall in May
Barbourville, KY
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in May
Barbourville, KY
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in May
Barbourville, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Barbourville, KY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Barbourville, KY
- Average daylight in May: 14h and 12min
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 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Barbourville, KY
- Average sunshine days in May: 9.9 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in May
Barbourville, KY
- 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 and December (UV index 2).
Average cloud cover in May
Barbourville, KY
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Barbourville, KY
- Average visibility in May: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





