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
Sumter's transition into April brings a rise in the average high-temperature, moving from an enjoyable 63.9°F (17.7°C) in March to a warm 73.4°F (23°C). Sumter's average low-temperature in the month of April is recorded at a cool 55°F (12.8°C).Humidity
In Sumter, the average relative humidity in April is 74%.Rainfall
In Sumter, in April, during 13.8 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Sumter, during the entire year, the rain falls for 161.8 days and collects up to 33.35" (847mm) of precipitation.Snowfall
In Sumter, snow does not fall in April through October.Daylight
In April, the average length of the day is 13h and 3min.On the first day of April, sunrise is at 7:07 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:04 pm EDT.
Sunshine
In Sumter, the average sunshine in April is 9.2h.UV index
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 5 in April translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sumter in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Sumter, SC
- Average high temperature in April: 73.4°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in April: 55°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in April
Sumter, 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
Sumter, SC
- Average wind speed in April: 8.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Sumter, SC
- Average humidity in April: 74%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in April
Sumter, SC
- Average rainfall in April: 3.19"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in April
Sumter, SC
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in April
Sumter, SC
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Sumter, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.6 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
Sumter, SC
- Average daylight in April: 13h and 1min
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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Sumter, SC
- Average sunshine days in April: 14 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in April
Sumter, SC
- Average UV index in April: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in April
Sumter, SC
- Average cloud cover in April: 35
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in April
Sumter, 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).
Sumter, South Carolina, USA
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