May weather forecastLouisa, KY
May
Weather in May
May, the last month of the spring in Louisa, is a moderately hot month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 76.3°F (24.6°C).Temperature
A rise in the average high-temperature is observed during May, moving from a refreshing 65.8°F (18.8°C) in April to a warm 76.3°F (24.6°C). Louisa records a consistent low-temperature of 55°F (12.8°C) during May nights.Humidity
In May, the average relative humidity is 77%.Rainfall
In Louisa, during May, the rain falls for 19.1 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 176.7 rainfall days, and 33.82" (859mm) of precipitation is accumulated.Snowfall
In Louisa, snow does not fall in May through September.Daylight
In May, the average length of the day in Louisa is 14h and 15min.On the first day of May, sunrise is at 6:32 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:47 pm EDT.
Sunshine
In May, the average sunshine 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 estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Louisa, KY
- Average high temperature in May: 76.3°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in May
Louisa, KY
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in May
Louisa, 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
Louisa, KY
- Average humidity in May: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Louisa, KY
- Average rainfall in May: 3.31"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in May
Louisa, KY
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in May
Louisa, KY
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Louisa, KY
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Louisa, KY
- Average daylight in May: 14h and 18min
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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Louisa, KY
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in May
Louisa, 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
Louisa, 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
Louisa, 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).





