April weather forecastSummerville, SC
April
Weather in April
April witnesses a significant transformation in Summerville's weather pattern. The average high temperature jumps to 75.4°F (24.1°C), making the weather comfortably warm. April also displays a surge in rainfall with 0.83" (21mm) on average, marginally more than the preceding month. This month offers an ideal weather pattern for outdoor activities and picnics due to the picturesque and vibrant natural surroundings. The increasing sunshine hours add to the diversity of the spring season in the city.Temperature
As March transitions into April, Summerville notices a gentle rise in the average high-temperature, transitioning from a comfortable 66.7°F (19.3°C) to a warm 75.4°F (24.1°C). April is noted for a mean low-temperature of 57°F (13.9°C).Humidity
In Summerville, the average relative humidity in April is 74%.Rainfall
In Summerville, in April, during 9.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Summerville, during the entire year, the rain falls for 120.6 days and collects up to 11.18" (284mm) of precipitation.Snowfall
In Summerville, snow does not fall in March through December.Daylight
In April, the average length of the day is 13h and 1min.On the first day of April, sunrise is at 7:07 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:02 pm EDT.
Sunshine
The average sunshine in April is 9.5h.UV index
In Summerville, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during April leads to these advisories:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Summerville, SC
- Average high temperature in April: 75.4°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in April: 57°F
The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in April
Summerville, SC
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Summerville, SC
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Summerville, SC
- Average humidity in April: 74%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in April
Summerville, SC
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is August (2.09").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in April
Summerville, SC
- Average rainfall days in April: 9.7 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
Summerville, SC
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Summerville, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Summerville, 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 30min
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 30min).
Average sunshine days in April
Summerville, SC
- Average sunshine days in April: 19 days
The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is August (7.4 days).
Average UV index in April
Summerville, SC
- Average UV index in April: 6
The months with the highest UV index are May, 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
Summerville, SC
- Average cloud cover in April: 33
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 29).
Average visibility in April
Summerville, 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).
