May weather forecastHelton, KY
May
Weather in May
The last month of the spring, May, is a moderately hot month in Helton, Kentucky, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 74.8°F (23.8°C).Temperature
May witnesses an increase in the average high-temperature, moving from an enjoyable 65.7°F (18.7°C) in April to a warm 74.8°F (23.8°C). The month of May sees a significant daily temperature drop, recording an average low-temperature of 53.1°F (11.7°C).Humidity
The average relative humidity in May is 79%.Rainfall
In Helton, in May, it is raining for 19.9 days, with typically 3.54" (90mm) of accumulated precipitation. In Helton, during the entire year, the rain falls for 190.4 days and collects up to 40.28" (1023mm) of precipitation.Snowfall
In Helton, Kentucky, snow does not fall in May through September.Daylight
In Helton, Kentucky, the average length of the day in May is 14h and 10min.On the first day of May in Helton, Kentucky, sunrise is at 6:38 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:47 pm EDT.
Sunshine
In Helton, the average sunshine in May is 9.5h.UV index
The months with the highest UV index are May, June and August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 6 during May translates into the following guidance:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Helton, KY
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in May
Helton, KY
- Average pressure in May: 30.02"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
Helton, KY
- Average wind speed in May: 5.3mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in May
Helton, KY
- Average humidity in May: 79%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, August and November (77%).
Average rainfall in May
Helton, KY
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in May
Helton, KY
- Average rainfall days in May: 19.9 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in May
Helton, KY
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Helton, KY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10 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
Helton, 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 42min).
- Average sunshine in May: 9h and 30min
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 24min).
Average sunshine days in May
Helton, KY
- Average sunshine days in May: 9.1 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in May
Helton, KY
- Average UV index in May: 6
The months with the highest UV index are May, June 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
Helton, KY
- Average cloud cover in May: 40
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Helton, 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).





