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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Fairfax Station, Virginia, with an average temperature fluctuating between 26.8°F (-2.9°C) and 40.5°F (4.7°C). January is the coldest month, with the temperature often reaching an average high of 40.5°F (4.7°C) and an average low of 26.8°F (-2.9°C). Weather in January »
Weather in February
February, the last month of the winter in Fairfax Station, is a chilly month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 44.8°F (7.1°C). Upon the onset of February, Fairfax Station witnesses an average high-temperature of a frosty 44.8°F (7.1°C), showing a close resemblance to the prior month. Weather in February »
Weather in March
March, the first month of the spring in Fairfax Station, is a fresh month, with an average temperature fluctuating between 36.7°F (2.6°C) and 52.9°F (11.6°C). The coming of March brings a minor shift in Fairfax Station's weather, with average high-temperatures adjusting from February's frosty 44.8°F (7.1°C) to a cool 52.9°F (11.6°C). Weather in March »
Weather in April
April in Fairfax Station, Virginia, is an enjoyable spring month, with an average temperature varying between 65.3°F (18.5°C) and 46.9°F (8.3°C). 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). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Fairfax Station, Virginia, with an average temperature ranging between min 56.1°F (13.4°C) and max 74.8°F (23.8°C). Fairfax Station's May weather brings a rise in high-temperatures, moving from a refreshing 65.3°F (18.5°C) in April to a moderately hot 74.8°F (23.8°C). Weather in May »
Weather in June
June, the first month of the summer in Fairfax Station, is still a warm month, with an average temperature varying between 82.9°F (28.3°C) and 63.5°F (17.5°C). Fairfax Station's weather shows a minor temperature rise with the arrival of June, moving from a warm 74.8°F (23.8°C) in May to a still moderately hot 82.9°F (28.3°C). Weather in June »
Weather in July
July in Fairfax Station, Virginia, is a hot summer month, with an average temperature fluctuating between 87.8°F (31°C) and 68.5°F (20.3°C). July, with average temperatures reaching a high of 87.8°F (31°C) and a low of 68.5°F (20.3°C), is the warmest month. In July, the heat index is estimated at a torrid 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Fairfax Station, is another warm month, with an average temperature fluctuating between 85.6°F (29.8°C) and 66.9°F (19.4°C). August's average high-temperature is a warm 85.6°F (29.8°C), maintaining a close comparison with July's 87.8°F (31°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Fairfax Station, Virginia, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 60.6°F (15.9°C). With the commencement of September, Fairfax Station records a moderate temperature decline, with the average high easing from August's warm 85.6°F (29.8°C) to a still moderately hot 78.6°F (25.9°C). Weather in September »
Weather in October
October, like September, in Fairfax Station, Virginia, is another refreshing autumn month, with an average temperature fluctuating between 50.2°F (10.1°C) and 66.7°F (19.3°C). The transition into October indicates a reduction in the average high-temperature, down to an enjoyable 66.7°F (19.3°C) from September's moderately hot 78.6°F (25.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Fairfax Station, Virginia, with temperature in the range of an average low of 38.7°F (3.7°C) and an average high of 54.5°F (12.5°C). The shift from October to November involves a decrease in the average high-temperature, dropping from a comfortable 66.7°F (19.3°C) to a cool 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Fairfax Station, is still a chilly month, with an average temperature varying between 45.7°F (7.6°C) and 32.9°F (0.5°C). The average high-temperature shows a slight dip in December, from November's fresh 54.5°F (12.5°C) to a frosty 45.7°F (7.6°C). Weather in December »
Updated: Aug 20, 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
What are the coldest months?
Fairfax Station's January weather, marked by an average high temperature of 40.5°F (4.7°C) and an average low temperature of 26.8°F (-2.9°C), is the coldest in the year.
What is the driest month?
January is the month with the least rainfall. Rain falls for 10.3 days and accumulates 2.09" (53mm) of precipitation.
How many days does it rain?
Throughout the year, there are 166.5 rainfall days, and 32.76" (832mm) of precipitation is accumulated.
When does it snow?
Months with snowfall in Fairfax Station are January through April, November and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 5.2 days and typically aggregates up to 3.58" (91mm) of snow.
How much does it snow?
In Fairfax Station, during the entire year, snow falls for 16.2 days and aggregates up to 10.79" (274mm) of snow.
What is the month with the least sunshine?
The months with the least sunshine are January, February and December, with an average of 5.2h of sunshine.
What are the months with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Fairfax Station?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fairfax Station, 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.
When it does not snow?
May through October are months without snowfall.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What is the hottest time of year?
Fairfax Station witnesses the warmest weather in July, with temperatures averaging a high of 87.8°F (31°C) and a low of 68.5°F (20.3°C).
What is the least humid month?
The least humid month is July, with an average relative humidity of 71%.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.8h of sunshine.
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 17.4 days and accumulates 3.94" (100mm) of precipitation.
What are the most humid months?
The months with the highest humidity are October and December, with an average relative humidity of 77%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Fairfax Station, VA
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).
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
Fairfax Station, 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
Fairfax Station, VA
- Average wind speed in January:
7mph - 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:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.4mph - Average wind speed in December:
6.4mph
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
Fairfax Station, 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
Fairfax Station, VA
- Average rainfall in January:
2.09" - Average rainfall in February:
2.24" - Average rainfall in March:
2.52" - Average rainfall in April:
2.87" - Average rainfall in May:
3.31" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.23" - Average rainfall in August:
3.94" - Average rainfall in September:
2.13" - Average rainfall in October:
2.6" - Average rainfall in November:
2.28" - Average rainfall in December:
2.76"
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
Fairfax Station, VA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
17 days - Average rainfall days in August:
17.4 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.8 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
Fairfax Station, VA
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
Fairfax Station, VA
- Average snowfall days in January:
5.2 days - Average snowfall days in February:
5 days - Average snowfall days in March:
2.9 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:
2.4 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 / Average sunshine
Fairfax Station, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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 1min - Average sunshine in February:
5h and 1min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h 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
Fairfax Station, VA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
10.5 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.8 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
Fairfax Station, 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
Fairfax Station, 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
Fairfax Station, 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).
Fairfax Station, Virginia, USA
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