Climate and monthly weather forecastOakton, VA
Climate and monthly weather forecast
Weather in January
January, like December, in Oakton, Virginia, is a wintry winter month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 40.5°F (4.7°C). In Oakton, the lowest average temperatures are observed in January, with a high of 40.5°F (4.7°C) and a low of 26.4°F (-3.1°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Oakton, Virginia, with an average temperature ranging between min 29.1°F (-1.6°C) and max 44.4°F (6.9°C). With the start of February, Oakton measures an average high-temperature of a frosty 44.4°F (6.9°C), not significantly differing from January's 40.5°F (4.7°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Oakton, Virginia, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 36.9°F (2.7°C). As March begins, there's a slight increase in the average high-temperature, moving from a frosty 44.4°F (6.9°C) in February to a cool 52.7°F (11.5°C). Weather in March »Weather in April
April in Oakton, Virginia, is a comfortable spring month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 46.2°F (7.9°C). In Oakton, the average high-temperature in April increases from a fresh 52.7°F (11.5°C) in March to a comfortable 65.1°F (18.4°C). Weather in April »Weather in May
May, the last month of the spring in Oakton, is a moderately hot month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 74.8°F (23.8°C). The shift from April to May is marked by an increase in the average high-temperature, moving from an enjoyable 65.1°F (18.4°C) to a moderately hot 74.8°F (23.8°C). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Oakton, Virginia, with an average temperature ranging between max 82.9°F (28.3°C) and min 63.5°F (17.5°C). The onset of June marks a slight increase in the average high-temperature, moving from 74.8°F (23.8°C) in May to a still warm 82.9°F (28.3°C). Weather in June »Weather in July
July in Oakton, Virginia, is a tropical summer month, with an average temperature fluctuating between 88°F (31.1°C) and 68.4°F (20.2°C). Oakton's temperatures peak on average in July, reaching 88°F (31.1°C) at their highest and 68.4°F (20.2°C) at their lowest. In July, the heat index is calculated to be a torrid 100.4°F (38°C). Weather in July »Weather in August
August, the last month of the summer in Oakton, is also a moderately hot month, with temperature in the range of an average high of 85.8°F (29.9°C) and an average low of 66.9°F (19.4°C). August's arrival brings an average high-temperature of a moderately hot 85.8°F (29.9°C), demonstrating subtle variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Oakton, is still a warm month, with an average temperature varying between 60.6°F (15.9°C) and 78.4°F (25.8°C). September sees a slight reduction in average high-temperature, with a shift from a moderately hot 85.8°F (29.9°C) in August to a still warm 78.4°F (25.8°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Oakton, Virginia, with an average temperature fluctuating between 49.8°F (9.9°C) and 66.6°F (19.2°C). Observing a mild shift, the average high-temperature during October reduces from September's warm 78.4°F (25.8°C) to a refreshing 66.6°F (19.2°C). Weather in October »Weather in November
November, the last month of the autumn in Oakton, is also a fresh month, with an average temperature varying between 54.5°F (12.5°C) and 38.5°F (3.6°C). Welcoming November, Oakton observes a shift in the average high-temperature, falling from October's enjoyable 66.6°F (19.2°C) to a fresh 54.5°F (12.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Oakton, Virginia, with an average temperature fluctuating between 32.9°F (0.5°C) and 45.5°F (7.5°C). With December's onset, the weather shows a temperature decrease, transitioning from a fresh 54.5°F (12.5°C) in November to a frosty 45.5°F (7.5°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
The coldest temperatures in Oakton, Virginia, occur during January, when averages reach a peak of 40.5°F (4.7°C) and a low of 26.4°F (-3.1°C).
Throughout the year, in Oakton, there are 162 rainfall days, and 31.65" (804mm) of precipitation is accumulated.
January through April, November and December are months with snowfall in Oakton.
The month with the most snowfall in Oakton is January, when snow falls for 5.6 days and typically aggregates up to 3.54" (90mm) of snow.
In Oakton, Virginia, during the entire year, snow falls for 18 days and aggregates up to 11.18" (284mm) of snow.
January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
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.
In Oakton, Virginia, snow does not fall in May through October.
The months with the highest UV index in Oakton, Virginia, are May through August, with an average maximum UV index of 6.
With an average of 14h and 48min of daylight, June has the longest days of the year.
The warmest period tends to be July, when average temperatures fluctuate between a high of 88°F (31.1°C) and a low of 68.4°F (20.2°C).
July is the least humid month, with an average relative humidity of 71%.
The month with the most sunshine is July, with an average of 10.8h of sunshine.
August is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.78" (96mm) of precipitation.
September is the month with the least rainfall in Oakton, Virginia. Rain falls for 13.1 days and accumulates 2.01" (51mm) of precipitation.
The months with the highest humidity in Oakton are October and December, with an average relative humidity of 77%.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Oakton, VA
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.5°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure
Oakton, 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
Oakton, VA
- Average wind speed in January:
7.1mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.3mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.5mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.5mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Oakton, VA
The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Oakton, VA
- Average rainfall in January:
2.09" - Average rainfall in February:
2.09" - Average rainfall in March:
2.44" - Average rainfall in April:
2.8" - Average rainfall in May:
3.11" - Average rainfall in June:
2.68"
- Average rainfall in July:
3.03" - Average rainfall in August:
3.78" - Average rainfall in September:
2.01" - Average rainfall in October:
2.56" - Average rainfall in November:
2.36" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days
Oakton, VA
- Average rainfall days in January:
10.4 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
15.6 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
10.9 days
The months with the highest number of rainy days are May and August (17.3 days).
The month with the least rainy days is November (9.1 days).
Average snowfall
Oakton, VA
The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Oakton, VA
- Average snowfall days in January:
5.6 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.2 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:
0.5 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Oakton, 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 54min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 42min - 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 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days
Oakton, VA
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
17.1 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Oakton, 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
Oakton, VA
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
Oakton, VA
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).
