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
April introduces a minor temperature shift, with average high-temperatures adjusting from March's refreshing 66.6°F (19.2°C) to a moderately hot 75°F (23.9°C). Fairfax's temperature tends to fall to an average low of 56.5°F (13.6°C) during the nights of April.Humidity
In Fairfax, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 11.8 days. Throughout April, 2.87" (73mm) of precipitation is accumulated. In Fairfax, during the entire year, the rain falls for 152.9 days and collects up to 31.18" (792mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
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
In April, the average sunshine is 9.2h.UV index
In Fairfax, the average daily maximum UV index in April is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 6 in April, converts into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Fairfax in April?
What is the average humidity in April?
How much 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?
How many hours of sunshine does Fairfax have in April?
What is the UV index intensity in April?
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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