April weather forecastBristow, VA
April
Weather in April
April in Bristow, Virginia, is a comfortable spring month, with an average temperature fluctuating between 45.9°F (7.7°C) and 65.7°F (18.7°C).Temperature
April's arrival coincides with a rise in the average high-temperature, moving from March's cool 53.2°F (11.8°C) to a refreshing 65.7°F (18.7°C). Bristow's average low-temperature for the month of April records at a chilly 45.9°F (7.7°C).Humidity
The average relative humidity in April is 73%.Rainfall
In Bristow, during April, the rain falls for 15.7 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
Months with snowfall in Bristow, Virginia, are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Bristow aggregates 0.43" (11mm) of snow. Throughout the year, there are 15.8 snowfall days, and 11.5" (292mm) of snow is accumulated.Daylight
In Bristow, the average length of the day in April is 13h and 14min.On the first day of April, sunrise is at 6:53 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:01 pm EDT.
Sunshine
The average sunshine in April in Bristow is 9h.UV index
In Bristow, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Bristow, VA
- Average high temperature in April: 65.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in April: 45.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in April
Bristow, 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
Bristow, VA
- Average wind speed in April: 7mph
The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in April
Bristow, VA
- Average humidity in April: 73%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Bristow, VA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in April
Bristow, VA
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in April
Bristow, VA
- Average snowfall in April: 0.43"
The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Bristow, VA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (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
Bristow, VA
- Average daylight in April: 13h and 12min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in April
Bristow, VA
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in April
Bristow, 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
Bristow, VA
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Bristow, VA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).
