Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As March transitions into April, Charleston sees a rise in the average high-temperature, moving from a mild 55.9°F (13.3°C) to a still refreshing 66.9°F (19.4°C). Charleston observes an average nighttime low-temperature of 49.3°F (9.6°C) during the month of April.Humidity
The average relative humidity in April is 77%.Rainfall
April is the month with the most rainfall in Charleston. Rain falls for 11.3 days and accumulates 1.34" (34mm) of precipitation.Snowfall
In Charleston, snow does not fall in April through October.Daylight
In April, the average length of the day in Charleston is 13h and 11min.On the first day of April, sunrise is at 6:34 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:39 pm CDT.
Sunshine
In April, the average sunshine is 8.9h.UV index
The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 5 in April, converts into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Charleston in April?
What is the average humidity in April in Charleston?
What is the rainiest month in Charleston?
How many days does it rain in April in Charleston?
When it does not snow in Charleston?
Does it snow in Charleston in April?
What is the average length of the day in April in Charleston?
When is the sunrise / sunset in April in Charleston?
How long on average sun shines in April in Charleston?
How high is the UV index in April in Charleston?
Average temperature in April
Charleston, KY
- Average high temperature in April: 66.9°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in April: 49.3°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 (28°F).
Average pressure in April
Charleston, KY
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Charleston, KY
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in April
Charleston, KY
- Average humidity in April: 77%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Charleston, KY
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is April (1.34").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in April
Charleston, KY
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in April
Charleston, KY
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Charleston, KY
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Charleston, KY
- Average daylight in April: 13h and 1min
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 April: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in April
Charleston, KY
- Average sunshine days in April: 16.4 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in April
Charleston, KY
- Average UV index in April: 5
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 April
Charleston, KY
- Average cloud cover in April: 39
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 April
Charleston, KY
- Average visibility in April: 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).
Charleston, Kentucky, USA
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