Climate and monthly weather forecast
Fairfax Station, VA

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Weather in January

January, like December, in Fairfax Station, Virginia, is an icy winter month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 40.5°F (4.7°C). Fairfax Station's January weather, with an average high temperature of 40.5°F (4.7°C) and an average low temperature of 26.8°F (-2.9°C), tends to be the coldest of the year. Weather in January »

Weather in February

February, the last month of the winter in Fairfax Station, is a frosty month, with an average temperature varying between 29.3°F (-1.5°C) and 44.8°F (7.1°C). The dawn of February sees an average high-temperature of a chilly 44.8°F (7.1°C), subtly contrasting with January's 40.5°F (4.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Fairfax Station, Virginia, with an average temperature ranging between min 36.7°F (2.6°C) and max 52.9°F (11.6°C). As March arrives, Fairfax Station's weather shows a minor increase in high-temperatures, edging 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 ranging between min 46.9°F (8.3°C) and max 65.3°F (18.5°C). Observing a rise in April, the average high-temperature goes from March's cool 52.9°F (11.6°C) to an enjoyable 65.3°F (18.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Fairfax Station, Virginia, with an average temperature fluctuating between 56.1°F (13.4°C) and 74.8°F (23.8°C). Fairfax Station's transition into May is marked by a rise in the average high-temperature, advancing 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

The first month of the summer, June, is still a warm month in Fairfax Station, Virginia, with an average temperature fluctuating between 82.9°F (28.3°C) and 63.5°F (17.5°C). June brings a slight increase in the average high-temperature, progressing from 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 tropical summer month, with an average temperature varying between 87.8°F (31°C) and 68.5°F (20.3°C). July, characterized by an average high temperature of 87.8°F (31°C) and a low temperature of 68.5°F (20.3°C), is generally the warmest month. For most parts of July, the heat index is evaluated at a very hot 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). Fairfax Station's shift into August is marked by a subtle change to a warm 85.6°F (29.8°C) from July's 87.8°F (31°C) in temperature. Weather in August »

Weather in September

September, the first month of the autumn in Fairfax Station, is also a moderately hot month, with an average temperature varying between 78.6°F (25.9°C) and 60.6°F (15.9°C). In the transition to September, Fairfax Station observes a minor drop in the average high-temperature, shifting from 85.6°F (29.8°C) in August 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 comfortable autumn month, with an average temperature fluctuating between 50.2°F (10.1°C) and 66.7°F (19.3°C). October's arrival corresponds with a decrease in average high-temperatures, from September's warm 78.6°F (25.9°C) to a comfortable 66.7°F (19.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Fairfax Station, Virginia, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.7°F (3.7°C). November's onset brings a reduction in the average high-temperature, from a comfortable 66.7°F (19.3°C) in October to a cool 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 Fairfax Station, Virginia, with an average temperature varying between 32.9°F (0.5°C) and 45.7°F (7.6°C). The arrival of December signals a subtle shift in temperature, down from a cool 54.5°F (12.5°C) in November to a chilly 45.7°F (7.6°C). Weather in December »
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Frequently asked questions

What month is the coldest in Fairfax Station?

January, with its high-temperature average of 40.5°F (4.7°C) and a low-temperature average of 26.8°F (-2.9°C), is the coldest month.

What is the driest month in Fairfax Station?

The month with the least rainfall is January, when the rain falls for 10.3 days and typically collects 2.09" (53mm) of precipitation.

How many days does it rain in Fairfax Station?

Throughout the year, in Fairfax Station, there are 166.5 rainfall days, and 32.76" (832mm) of precipitation is accumulated.

When does it snow in Fairfax Station?

January through April, November and December are months with snowfall.

What is the snowiest month in Fairfax Station?

January is the month with the most snowfall. Snow falls for 5.2 days and accumulates 3.58" (91mm) of snow.

How many days does it snow in Fairfax Station?

In Fairfax Station, Virginia, 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 in Fairfax Station?

January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Fairfax Station, Virginia.

What are the months with the lowest UV index in Fairfax Station?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Fairfax Station.

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, Virginia, 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 in Fairfax Station?

May through October are months without snowfall in Fairfax Station, Virginia.

What are the months with the highest UV index in Fairfax Station?

The months with the highest UV index in Fairfax Station, Virginia, are May through August, with an average maximum UV index of 6.

When are the longest days in Fairfax Station?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What month is the hottest in Fairfax Station?

Fairfax Station's warmest month, July, generally records average temperatures ranging from a high of 87.8°F (31°C) to a low of 68.5°F (20.3°C).

What is the least humid month in Fairfax Station?

July is the least humid month, with an average relative humidity of 71%.

What month has the most sunshine in Fairfax Station?

July has the most sunshine of the year in Fairfax Station, with an average of 10.8h of sunshine.

What is the wettest month in Fairfax Station?

August is the month with the most rainfall in Fairfax Station. Rain falls for 17.4 days and accumulates 3.94" (100mm) of precipitation.

What is the most humid month in Fairfax Station?

October and December, with an average relative humidity of 77%, are most humid months in Fairfax Station.

What is the month with the shortest days in Fairfax Station?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Fairfax Station, Virginia.

Average temperature
Fairfax Station, VA

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).

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Average pressure
Fairfax Station, VA

Average pressure - Fairfax Station, VA

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Fairfax Station, VA

Average wind speed - Fairfax Station, VA

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).

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Average humidity
Fairfax Station, VA

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%).

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Average rainfall
Fairfax Station, VA

Average rainfall - Fairfax Station, VA

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").

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Average rainfall days
Fairfax Station, VA

Average rainfall days - Fairfax Station, VA

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).

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Average snowfall
Fairfax Station, VA

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").

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Average snowfall days
Fairfax Station, VA

Average snowfall days - Fairfax Station, VA

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).

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Average daylight / Average sunshine
Fairfax Station, VA

Average daylight / Average sunshine - Fairfax Station, VA

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).

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).

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Average sunshine days
Fairfax Station, VA

Average sunshine days - Fairfax Station, VA

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).

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Average UV index
Fairfax Station, VA

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).

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Average visibility
Fairfax Station, VA

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).

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Fairfax Station, Virginia, USA

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