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
In April, the meteorological conditions subtly change with the average high-temperature edging from a comfortable 66.6°F (19.2°C) in March to a moderately hot 75°F (23.9°C). Fairfax cools down to an average low-temperature of 56.5°F (13.6°C) throughout the month of April.Humidity
In April, the average relative humidity in Fairfax is 74%.Rainfall
In Fairfax, during April, the rain falls for 11.8 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Fairfax, South Carolina, there are 152.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
In Fairfax, the average length of the day in April is 13h and 1min.On the first day of April, sunrise is at 7:11 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 8:06 pm EDT.
Sunshine
The average sunshine in April is 9.2h.UV index
In Fairfax, South Carolina, 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 exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 6 in April, converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What are April temperatures in Fairfax?
What is the average humidity in April in Fairfax?
How many days does it rain in April in Fairfax?
When it does not snow in Fairfax?
How many hours of daylight does Fairfax have in April?
When are sunrise and sunset in April in Fairfax?
How long on average sun shines in April in Fairfax?
What is the UV index reading in April in Fairfax?
Average temperature in April
Fairfax, SC
- Average high temperature in April: 75°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°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
Fairfax, 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
Fairfax, SC
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in April
Fairfax, SC
- Average humidity in April: 74%
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall in April
Fairfax, SC
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in April
Fairfax, SC
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in April
Fairfax, SC
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Fairfax, SC
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in April /
Average sunshine in April
Fairfax, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in April
Fairfax, SC
- Average sunshine days in April: 17.3 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in April
Fairfax, 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
Fairfax, SC
- Average cloud cover in April: 33
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in April
Fairfax, 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).
Fairfax, South Carolina, USA
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