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 days in April
- Average sea temperature 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
Folly Beach, South Carolina, in April experiences a slight uptick in the average high-temperature, adjusting from March's refreshing 64.4°F (18°C) to an agreeable 71.4°F (21.9°C). Throughout April, Folly Beach's nights cool down to an average of 61.9°F (16.6°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In Folly Beach, in April, it is raining for 8.8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 113.3 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Ocean temperature
In April, the average ocean temperature is 67.5°F (19.7°C).Note: The majority of people find swimming in 67.5°F (19.7°C) unenjoyable. As the water temperature decreases from 69.8°F (21°C) to 59°F (15°C), breathing becomes more challenging to control.
Daylight
In Folly Beach, the average length of the day in April is 13h and 1min.On the first day of April, sunrise is at 7:06 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine is 10h.UV index
The average daily maximum UV index in April in Folly Beach is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 6 during April translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Folly Beach in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
How cold is the water in April?
How many hours of daylight does Folly Beach have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index reading in April in Folly Beach?
Average temperature in April
Folly Beach, SC
- Average high temperature in April: 71.4°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in April: 61.9°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in April
Folly Beach, 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 (29.98"Hg).
Average wind speed in April
Folly Beach, SC
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in April
Folly Beach, SC
- Average humidity in April: 75%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in April
Folly Beach, SC
- Average rainfall in April: 0.71"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in April
Folly Beach, SC
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).
Average snowfall days in April
Folly Beach, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in April
Folly Beach, SC
- Average sea temperature in April: 67.4°F
The best month for swimming (with the highest average sea temperature) is August (83.5°F).
The coldest month (with the lowest average sea temperature) is February (61.9°F).
Average daylight in April /
Average sunshine in April
Folly Beach, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in April
Folly Beach, SC
- Average sunshine days in April: 20 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in April
Folly Beach, SC
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in April
Folly Beach, SC
- Average cloud cover in April: 27
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in April
Folly 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).
Folly Beach, South Carolina, USA
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