May weather forecastCornwell, KY
May
Weather in May
The last month of the spring, May, is a warm month in Cornwell, Kentucky, with an average temperature varying between 75.4°F (24.1°C) and 55.2°F (12.9°C).Temperature
As Cornwell, Kentucky, transitions into May, a rise in the average high-temperature is observed, moving from an enjoyable 66°F (18.9°C) in April to a moderately hot 75.4°F (24.1°C). During May, the average low-temperature is recorded at a fresh 55.2°F (12.9°C).Humidity
The average relative humidity in May in Cornwell is 78%.Rainfall
The month with the most rainfall is May, when the rain falls for 18.3 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Cornwell, the average length of the day in May is 14h and 14min.On the first day of the month, sunrise is at 6:37 am and sunset at 8:26 pm. On the last day of May, in Cornwell, sunrise is at 6:14 am and sunset at 8:51 pm EDT.
Sunshine
In Cornwell, the average sunshine in May is 9.2h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in May leads to these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cornwell, KY
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 55.2°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Cornwell, KY
- Average pressure in May: 30"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in May
Cornwell, KY
- Average wind speed in May: 6.2mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Cornwell, KY
- Average humidity in May: 78%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Cornwell, KY
- Average rainfall in May: 3.66"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in May
Cornwell, KY
- Average rainfall days in May: 18.3 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in May
Cornwell, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Cornwell, 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
Cornwell, KY
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Cornwell, KY
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in May
Cornwell, 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, November and December (UV index 2).
Average cloud cover in May
Cornwell, KY
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Cornwell, 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).





