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
The shift into April is marked by a rise in the average high-temperature, moving from March's mild 59.2°F (15.1°C) to a pleasant 69.4°F (20.8°C). Charleston's April nights cool down to an average low-temperature of 49.5°F (9.7°C).Humidity
The average relative humidity in April is 76%.Rainfall
In Charleston, in April, it is raining for 12.4 days, with typically 1.93" (49mm) of accumulated precipitation. In Charleston, during the entire year, the rain falls for 148 days and collects up to 23.9" (607mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In April, the average length of the day is 13h and 6min.On the first day of the month, sunrise is at 7:24 am and sunset at 8:00 pm. On the last day of April, sunrise is at 6:47 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in April in Charleston is 8.4h.UV index
In Charleston, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 during April translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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?
How much does it rain in Charleston in April?
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?
What is the UV index intensity in April in Charleston?
Average temperature in April
Charleston, TN
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in April: 49.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in April
Charleston, TN
- Average pressure in April: 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 April
Charleston, TN
- Average wind speed in April: 6.5mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Charleston, TN
- Average humidity in April: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).
Average rainfall in April
Charleston, TN
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in April
Charleston, TN
- Average rainfall days in April: 12.4 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in April
Charleston, TN
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Charleston, TN
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (1.7 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, TN
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Charleston, TN
- Average sunshine days in April: 15.5 days
The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in April
Charleston, TN
- 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, TN
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in April
Charleston, TN
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).
Charleston, Tennessee, USA
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