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 brings an increase in the average high-temperature, progressing from a cool 52.9°F (11.6°C) in March to an enjoyable 65.3°F (18.5°C). The low-temperature averages to a frosty 46.9°F (8.3°C) during the nights of April.Humidity
The average relative humidity in April in Fairfax Station, Virginia, is 72%.Rainfall
In Fairfax Station, in April, it is raining for 16.3 days, with typically 2.87" (73mm) of accumulated precipitation. In Fairfax Station, Virginia, during the entire year, the rain falls for 166.5 days and collects up to 32.76" (832mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Fairfax Station aggregates 0.28" (7mm) of snow. In Fairfax Station, during the entire year, snow falls for 16.2 days and aggregates up to 10.79" (274mm) of snow.Daylight
In April, the average length of the day is 13h and 14min.On the first day of April, sunrise is at 6:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:01 pm EDT.
Sunshine
In April, the average sunshine is 9.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in April translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Fairfax Station have in April?
When are sunrise and sunset in April in Fairfax Station?
How many hours of sunshine does Fairfax Station have in April?
What is the UV index intensity in April?
Average temperature in April
Fairfax Station, VA
- Average high temperature in April: 65.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in April
Fairfax Station, VA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in April
Fairfax Station, VA
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
Fairfax Station, VA
- Average humidity in April: 72%
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in April
Fairfax Station, VA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in April
Fairfax Station, VA
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Fairfax Station, VA
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Fairfax Station, VA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Fairfax Station, VA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in April
Fairfax Station, VA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are May and July (10.5 days).
Average UV index in April
Fairfax Station, VA
- Average UV index in April: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Fairfax Station, VA
- Average cloud cover in April: 40
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Fairfax Station, VA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Fairfax Station, Virginia, USA
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