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 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
April witnesses a subtle temperature ascent, adjusting from an enjoyable 66.2°F (19°C) in March to a moderately hot 74.1°F (23.4°C). In Johns Island, an average nighttime temperature of 59°F (15°C) is expected during April.Humidity
The average relative humidity in April in Johns Island is 74%.Rainfall
In Johns Island, in April, it is raining for 11.4 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Johns Island, there are 154.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.Snowfall
In Johns Island, snow does not fall in March through November.Daylight
The average length of the day in April in Johns Island, South Carolina, is 13h and 1min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:33 am and sunset at 8:01 pm EDT.
Sunshine
In April, the average sunshine in Johns Island is 9.7h.UV index
The average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 6 in April transforms into this advice:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Johns Island in April?
What is the average humidity in April in Johns Island?
How much does it rain in Johns Island in April?
When it does not snow in Johns Island?
How many hours of daylight does Johns Island have in April?
When is the sunrise / sunset in April in Johns Island?
How many hours of sunshine does Johns Island have in April?
What is the UV index intensity in April in Johns Island?
Average temperature in April
Johns Island, SC
- Average high temperature in April: 74.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in April: 59°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in April
Johns Island, 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
Johns Island, SC
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Johns Island, SC
- Average humidity in April: 74%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall in April
Johns Island, SC
- Average rainfall in April: 1.65"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Johns Island, SC
- Average rainfall days in April: 11.4 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days in April
Johns Island, SC
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (0.3 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
Johns Island, 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 4min
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 36min).
Average sunshine days in April
Johns Island, SC
- Average sunshine days in April: 17.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in April
Johns Island, 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
Johns Island, SC
- Average cloud cover in April: 29
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in April
Johns Island, 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).
Johns Island, South Carolina, USA
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