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
The onset of April marks a slight increase in the average high-temperature, moving from an enjoyable 66.7°F (19.3°C) in March to a moderately hot 75.6°F (24.2°C). The average low-temperature, in April, is a mild 56.5°F (13.6°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Islandton, in April, during 11.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 138.1 rainfall days, and 18.98" (482mm) of precipitation is accumulated.Snowfall
In Islandton, snow does not fall in January, March through December.Daylight
In Islandton, the average length of the day in April is 13h and 1min.On the first day of the month, sunrise is at 7:10 am and sunset at 7:44 pm. On the last day of April, sunrise is at 6:36 am and sunset at 8:05 pm EDT.
Sunshine
The average sunshine in April in Islandton is 9.4h.UV index
In Islandton, the average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in April interprets into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
What is the average length of the day in April?
What time are sunrise and sunset in April in Islandton?
How long on average sun shines in April in Islandton?
What is the UV index intensity in April?
Average temperature in April
Islandton, SC
- Average high temperature in April: 75.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in April: 56.5°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in April
Islandton, 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
Islandton, SC
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Islandton, SC
- Average humidity in April: 74%
The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in April
Islandton, SC
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in April
Islandton, SC
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in April
Islandton, SC
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Islandton, SC
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Islandton, 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 2min
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 24min).
Average sunshine days in April
Islandton, SC
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in April
Islandton, SC
- Average UV index in April: 6
The months with the highest UV index are 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
Islandton, 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 30).
Average visibility in April
Islandton, 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).
Islandton, South Carolina, USA
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