Climate and monthly weather forecastBristow, VA
Climate and monthly weather forecast
Weather in January
January, like December, in Bristow, Virginia, is another cold winter month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.4°F (-3.1°C). The month of January, characterized by an average high of 40.6°F (4.8°C) and a low of 26.4°F (-3.1°C), is recognized as the coldest. Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Bristow, Virginia, with an average temperature ranging between max 45.1°F (7.3°C) and min 28.8°F (-1.8°C). The commencement of February records an average high-temperature of a frosty 45.1°F (7.3°C), barely varying from January's 40.6°F (4.8°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Bristow, Virginia, with an average temperature fluctuating between 53.2°F (11.8°C) and 36°F (2.2°C). The shift into March is marked by a modest rise in the average high-temperature, moving from February's frosty 45.1°F (7.3°C) to a cool 53.2°F (11.8°C). Weather in March »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). 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). Weather in April »Weather in May
May, the last month of the spring in Bristow, is a warm month, with an average temperature fluctuating between 75.4°F (24.1°C) and 55.2°F (12.9°C). As April transitions into May, a change in temperatures is observed, with average highs moving from an enjoyable 65.7°F (18.7°C) to a moderately hot 75.4°F (24.1°C). Weather in May »Weather in June
June, the first month of the summer in Bristow, is still a warm month, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 83.7°F (28.7°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from 75.4°F (24.1°C) in May to a still moderately hot 83.7°F (28.7°C). Weather in June »Weather in July
July in Bristow, Virginia, is a tropical summer month, with an average temperature fluctuating between 67.1°F (19.5°C) and 88.3°F (31.3°C). July is the warmest month, with the temperature often reaching an average high of 88.3°F (31.3°C) and an average low of 67.1°F (19.5°C). In July, the heat index is computed to be a very hot 102.2°F (39°C). Weather in July »Weather in August
August, the last month of the summer in Bristow, is another warm month, with an average temperature ranging between max 85.8°F (29.9°C) and min 65.8°F (18.8°C). Bristow, Virginia, observes an average high-temperature of a warm 85.8°F (29.9°C) in August, barely different from 88.3°F (31.3°C) in July. Weather in August »Weather in September
September, the first month of the autumn in Bristow, is also a moderately hot month, with an average temperature varying between 79°F (26.1°C) and 59.7°F (15.4°C). The start of September involves a subtle temperature drop, shifting from a moderately hot 85.8°F (29.9°C) in August to a still warm 79°F (26.1°C). Weather in September »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). 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). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Bristow, Virginia, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.1°F (3.4°C). The decrease of average high-temperatures is mild in November, with a decline from a comfortable 67.1°F (19.5°C) in October to a fresh 54.5°F (12.5°C). Weather in November »Weather in December
December, the first month of the winter in Bristow, is still a chilly month, with an average temperature ranging between min 32.4°F (0.2°C) and max 45.7°F (7.6°C). The beginning of December brings a slight decrease in the average high-temperature, transitioning from a fresh 54.5°F (12.5°C) in November to a chilly 45.7°F (7.6°C). Weather in December »Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Bristow, January is known for its average lowest temperatures, reaching a high of 40.6°F (4.8°C) and a low of 26.4°F (-3.1°C).
Throughout the year, in Bristow, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.
Months with snowfall in Bristow, Virginia, are January through April, November and December.
January is the month with the most snowfall. Snow falls for 4.9 days and accumulates 3.7" (94mm) of snow.
Throughout the year, there are 15.8 snowfall days, and 11.5" (292mm) of snow is accumulated.
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Bristow, Virginia.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bristow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
May through October are months without snowfall in Bristow.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Bristow.
The month with the longest days in Bristow, Virginia, is June, with an average of 14h and 48min of daylight.
July, recognised by an average high temperature of 88.3°F (31.3°C) and a low of 67.1°F (19.5°C), is Bristow's warmest month.
The least humid month in Bristow is July, with an average relative humidity of 72%.
The month with the most sunshine is July, with an average of 10.7h of sunshine.
The month with the most rainfall in Bristow is August, when the rain falls for 16.3 days and typically aggregates up to 3.43" (87mm) of precipitation.
The month with the least rainfall in Bristow, Virginia, is September, when the rain falls for 12.7 days and typically collects 1.93" (49mm) of precipitation.
With an average relative humidity of 78%, December is the most humid month in Bristow, Virginia.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Bristow, VA
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).
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
Bristow, VA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.11"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
Bristow, VA
- Average wind speed in January:
6.5mph - Average wind speed in February:
6.6mph - Average wind speed in March:
7mph - Average wind speed in April:
7mph - Average wind speed in May:
5.8mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
4.7mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5.1mph - Average wind speed in October:
5.9mph - Average wind speed in November:
6mph - Average wind speed in December:
6mph
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
Bristow, VA
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall
Bristow, VA
- Average rainfall in January:
1.97" - Average rainfall in February:
2.01" - Average rainfall in March:
2.48" - Average rainfall in April:
2.87" - Average rainfall in May:
3.11" - Average rainfall in June:
2.64"
- Average rainfall in July:
2.68" - Average rainfall in August:
3.43" - Average rainfall in September:
1.93" - Average rainfall in October:
2.48" - Average rainfall in November:
2.2" - Average rainfall in December:
2.56"
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
Bristow, VA
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
10.6 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.3 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
Bristow, VA
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
Bristow, VA
- Average snowfall days in January:
4.9 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
2.5 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 / Average sunshine
Bristow, VA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
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 January:
5h and 12min - Average sunshine in February:
5h and 12min - Average sunshine in March:
6h and 48min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 12min
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
Bristow, VA
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
12.9 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
13 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
17.3 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
Bristow, VA
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
Bristow, VA
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
Bristow, VA
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).
