May weather forecastClay, KY
May
Weather in May
The last month of the spring, May, is a warm month in Clay, Kentucky, with an average temperature ranging between max 75.4°F (24.1°C) and min 58.1°F (14.5°C).Temperature
The shift from April to May is marked by a slight increase in the average high-temperature, moving from an enjoyable 66.7°F (19.3°C) to a warm 75.4°F (24.1°C). During the May nights, an average temperature of 58.1°F (14.5°C) is observed.Humidity
With an average relative humidity of 80%, May is the most humid month in Clay.Rainfall
In Clay, in May, it is raining for 17 days, with typically 2.28" (58mm) of accumulated precipitation. In Clay, during the entire year, the rain falls for 143.8 days and collects up to 22.68" (576mm) of precipitation.Snowfall
In Clay, snow does not fall in April through October.Daylight
In Clay, Kentucky, the average length of the day in May is 14h and 12min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:41 pm. On the last day of May, sunrise is at 5:31 am and sunset at 8:06 pm CDT.
Sunshine
In Clay, Kentucky, the average sunshine in May is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Clay, KY
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in May
Clay, KY
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in May
Clay, KY
- Average wind speed in May: 7.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in May
Clay, KY
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Clay, KY
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in May
Clay, KY
- Average rainfall days in May: 17 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in May
Clay, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Clay, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.2 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
Clay, 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 July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Clay, KY
- Average sunshine days in May: 12 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is May (12 days).
Average UV index in May
Clay, 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
Clay, KY
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Clay, KY
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





