October weather forecastBristow, VA
October
Weather in October
October, like September, in Bristow, Virginia, is another enjoyable autumn month, with an average temperature fluctuating between 67.1°F (19.5°C) and 49.1°F (9.5°C).Temperature
October brings a decrease in the average high-temperature, falling from September's moderately hot 79°F (26.1°C) to a refreshing 67.1°F (19.5°C). In Bristow, the average temperature during the nights of October drops to a chilly 49.1°F (9.5°C).Humidity
In October, the average relative humidity is 77%.Rainfall
In Bristow, during October, the rain falls for 11.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Bristow, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.Snowfall
In Bristow, snow does not fall in May through October.Daylight
The average length of the day in October in Bristow is 11h and 10min.On the first day of the month, sunrise is at 7:06 am and sunset at 6:52 pm. On the last day of October, sunrise is at 7:36 am and sunset at 6:10 pm EDT.
Sunshine
In Bristow, the average sunshine in October is 5.6h.UV index
In Bristow, Virginia, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: During October, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Bristow, VA
- Average high temperature in October: 67.1°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 October: 49.1°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 October
Bristow, VA
- Average pressure in October: 30.04"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 October
Bristow, VA
- Average wind speed in October: 5.9mph
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 October
Bristow, VA
- Average humidity in October: 77%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in October
Bristow, VA
- Average rainfall in October: 2.48"
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 October
Bristow, VA
- Average rainfall days in October: 11.8 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 October
Bristow, VA
- Average snowfall in October: 0"
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 October
Bristow, VA
- Average snowfall days in October: 0 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 October /
Average sunshine in October
Bristow, VA
- Average daylight in October: 11h 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 October: 5h and 36min
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 October
Bristow, VA
- Average sunshine days in October: 17.7 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 October
Bristow, VA
- Average UV index in October: 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 October
Bristow, VA
- Average cloud cover in October: 40
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 October
Bristow, VA
- Average visibility in October: 5mi
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).
