May weather forecastThelma, KY
May
Weather in May
May, the last month of the spring in Thelma, is a warm month, with an average temperature varying between 76.5°F (24.7°C) and 54.7°F (12.6°C).Temperature
May shows a rise in the average high-temperature, moving from April's refreshing 66.4°F (19.1°C) to a moderately hot 76.5°F (24.7°C). A marked difference from the daytime temperatures, Thelma's nighttime temperature falls to an average low of 54.7°F (12.6°C) in May.Humidity
In Thelma, the average relative humidity in May is 77%.Rainfall
In Thelma, Kentucky, in May, during 18.2 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Thelma, during the entire year, the rain falls for 173.4 days and collects up to 30.24" (768mm) of precipitation.Snowfall
In Thelma, snow does not fall in May through September.Daylight
In Thelma, the average length of the day in May is 14h and 14min.On the first day of May, sunrise is at 6:34 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:47 pm EDT.
Sunshine
In Thelma, Kentucky, the average sunshine in May is 9.3h.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 health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Thelma, KY
- Average high temperature in May: 76.5°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Thelma, 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
Thelma, KY
- Average wind speed in May: 5.7mph
The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in May
Thelma, KY
- Average humidity in May: 77%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Thelma, KY
- Average rainfall in May: 2.95"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in May
Thelma, KY
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in May
Thelma, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Thelma, KY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Thelma, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Thelma, KY
- Average sunshine days in May: 10.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in May
Thelma, 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
Thelma, KY
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Thelma, KY
- Average visibility in May: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).





