May weather forecastSewell, KY
May
Weather in May
The last month of the spring, May, is a warm month in Sewell, Kentucky, with an average temperature varying between 55°F (12.8°C) and 76.1°F (24.5°C).Temperature
The arrival of May sees a shift in the average high-temperature, moving from a comfortable 66.2°F (19°C) in April to a warm 76.1°F (24.5°C). Sewell's average low-temperature for the month of May records at a fresh 55°F (12.8°C).Humidity
The average relative humidity in May is 77%.Rainfall
In Sewell, Kentucky, in May, it is raining for 18.7 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, there are 178 rainfall days, and 35.47" (901mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In May, the average length of the day is 14h and 13min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:24 pm. On the last day of May, sunrise is at 6:13 am and sunset at 8:49 pm EDT.
Sunshine
In Sewell, the average sunshine in May 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 of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in May translates into this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sewell, KY
- Average high temperature in May: 76.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in May
Sewell, 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
Sewell, KY
- Average wind speed in May: 5.8mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in May
Sewell, KY
- Average humidity in May: 77%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in May
Sewell, KY
- Average rainfall in May: 3.46"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Sewell, KY
- Average rainfall days in May: 18.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in May
Sewell, 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
Sewell, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sewell, KY
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 24min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Sewell, KY
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in May
Sewell, 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
Sewell, KY
- Average cloud cover in May: 41
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Sewell, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).





