April weather forecastMyrtle Beach, SC

April
Weather in April
April unfolds with the continued performance of spring, revealing a further rise in temperature in Myrtle Beach, South Carolina. The familiar trend of increasing temperature continues with April’s high hitting an average of 70.3°F (21.3°C) and the low average settling at 58.6°F (14.8°C). A significant increment in rainfall is observed during this month, with approximately 2.17" (55mm) anticipated over an estimated 12.4 days. As April lays the groundwork for the onset of May, one can expect even higher temperatures and an increased amount of precipitation. This period is characterized by longer daylight hours, with an average of 13 hours, enabling residents and tourists to make the most out of their days.Temperature
April's arrival in Myrtle Beach brings a slight change in high-temperatures, adjusting from a comfortable 62.2°F (16.8°C) in March to a pleasant 70.3°F (21.3°C). April in Myrtle Beach is noted for a mean low-temperature of 58.6°F (14.8°C).Humidity
In Myrtle Beach, the average relative humidity in April is 76%.Rainfall
In Myrtle Beach, in April, it is raining for 12.4 days, with typically 2.17" (55mm) of accumulated precipitation. In Myrtle Beach, during the entire year, the rain falls for 166.5 days and collects up to 28.78" (731mm) of precipitation.Snowfall
March through November are months without snowfall.Ocean temperature
In Myrtle Beach, South Carolina, in April, the average water temperature is 64°F (17.8°C).Note: For most, swimming in 64°F (17.8°C) is not a pleasant experience. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), controlling one's breathing becomes more difficult.
Daylight
In Myrtle Beach, the average length of the day in April is 13h and 2min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:36 pm. On the last day of April, sunrise is at 6:26 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April is 9.9h.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 exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 5 during April morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Myrtle Beach, SC
- Average high temperature in April: 70.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in April: 58.6°F
The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (42.1°F).
Average pressure in April
Myrtle Beach, SC
- Average pressure in April: 30.03"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in April
Myrtle Beach, SC
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in April
Myrtle Beach, SC
- Average humidity in April: 76%
The months with the highest relative humidity are May, June, August and December (78%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in April
Myrtle Beach, SC
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is August (4.53").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in April
Myrtle Beach, SC
- Average rainfall days in April: 12.4 days
The months with the highest number of rainy days are July and August (19.8 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in April
Myrtle Beach, SC
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Myrtle Beach, 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 sea temperature in April
Myrtle Beach, SC
- Average sea temperature in April: 64.1°F
The best month for swimming (with the highest average sea temperature) is August (82.9°F).
The coldest month (with the lowest average sea temperature) is March (57.7°F).
Average daylight in April /
Average sunshine in April
Myrtle Beach, SC
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in April
Myrtle Beach, SC
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in April
Myrtle Beach, SC
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in April
Myrtle Beach, SC
- Average cloud cover in April: 30
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in April
Myrtle Beach, 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).





