April weather forecastAiken, SC

April
Weather in April
When April sets in, Aiken experiences a spell of warm weather. Longer days coupled with an increase in sunshine hours contribute to a rise in temperatures. Meanwhile, the wind speed remains relatively steady, offering cool breezes. The temperature swing lies between 55°F (12.8°C) and 73.9°F (23.3°C) in this month. Nevertheless, April does carry its share of rainfall with precipitation averaging 2.87" (73mm).Temperature
The shift into April is accompanied by a temperature increase, with the average high-temperature rising from an enjoyable 64.9°F (18.3°C) in March to a moderately hot 73.9°F (23.3°C). Aiken, during the nights of April, experiences an average temperature drop to a cool 55°F (12.8°C).Humidity
The average relative humidity in April is 72%.Rainfall
In Aiken, in April, it is raining for 12.5 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 147.8 rainfall days, and 28.31" (719mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In April, the average length of the day is 13h and 2min.On the first day of April in Aiken, South Carolina, sunrise is at 7:13 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:09 pm EDT.
Sunshine
The average sunshine in April is 9.2h.UV index
In Aiken, South Carolina, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, an average UV index of 6 transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Aiken, SC
- Average high temperature in April: 73.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in April: 55°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in April
Aiken, SC
- Average pressure in April: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Aiken, SC
- Average wind speed in April: 8.6mph
The windiest months (with the highest average wind speed) are February and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Aiken, SC
- Average humidity in April: 72%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are July and November (70%).
Average rainfall in April
Aiken, SC
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in April
Aiken, SC
- Average rainfall days in April: 12.5 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are October and November (7.7 days).
Average snowfall in April
Aiken, SC
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Aiken, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Aiken, SC
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in April
Aiken, SC
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Aiken, SC
- Average UV index in April: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in April
Aiken, SC
- Average cloud cover in April: 32
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in April
Aiken, SC
- 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).





