April weather forecastClemson, SC
April
Weather in April
April marks the full swing of spring in Clemson city. Warm weather really begins to hold steady compared to the mercurial temperatures of March, with peaks of 70.7°F (21.5°C) being common. This month offers typically pleasant weather, perfect for spring festivals and other outdoor activities. New leaves are now fully opened and blooming flowers paint the city in a palette of vibrant colors. The visual display of floral blossoms punctuates the appeal of Clemson's distinct spring.Temperature
The shift into April in Clemson brings an increase in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in March to an agreeable 70.7°F (21.5°C). During the nights in April, Clemson experiences a consistent average temperature of 50.2°F (10.1°C).Humidity
In Clemson, the average relative humidity in April is 75%.Rainfall
In Clemson, in April, it is raining for 13.9 days, with typically 3.74" (95mm) of accumulated precipitation. Throughout the year, there are 164.1 rainfall days, and 37.09" (942mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Clemson, the average length of the day in April is 13h and 5min.On the first day of the month, sunrise is at 7:17 am and sunset at 7:52 pm. On the last day of April, sunrise is at 6:41 am and sunset at 8:15 pm EDT.
Sunshine
In Clemson, the average sunshine in April is 8.8h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during April translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Clemson, SC
- Average high temperature in April: 70.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in April: 50.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in April
Clemson, SC
- Average pressure in April: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in April
Clemson, SC
- Average wind speed in April: 6.2mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Clemson, SC
- Average humidity in April: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
Clemson, SC
- Average rainfall in April: 3.74"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in April
Clemson, SC
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in April
Clemson, SC
- Average snowfall in April: 0"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Clemson, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Clemson, SC
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 8h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in April
Clemson, SC
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in April
Clemson, SC
- 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 and December (UV index 2).
Average cloud cover in April
Clemson, SC
- Average cloud cover in April: 34
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in April
Clemson, 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).
