Climate and monthly weather forecast
Sterling, VA

Weather in January

January, like December, in Sterling, Virginia, is another cold winter month, with an average temperature varying between 25.9°F (-3.4°C) and 39.7°F (4.3°C). January is the coldest month, with an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 25.9°F (-3.4°C). Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in Sterling, Virginia, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 28°F (-2.2°C). In February, the average high-temperature is essentially the same as in January - a frosty 43.9°F (6.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Sterling, Virginia, with temperature in the range of an average high of 52.5°F (11.4°C) and an average low of 35.6°F (2°C). In Sterling, the average high-temperature in March slightly increases from a frosty 43.9°F (6.6°C) in February to a fresh 52.5°F (11.4°C). Weather in March »

Weather in April

April is a comfortable spring month in Sterling, Virginia, with temperature in the range of an average low of 45.7°F (7.6°C) and an average high of 64.9°F (18.3°C). In Sterling, the average high-temperature in April rises from a fresh 52.5°F (11.4°C) in March to an enjoyable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring in Sterling, is a moderately hot month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 75°F (23.9°C). In May, the average high-temperature rises from a comfortable 64.9°F (18.3°C) in April to a moderately hot 75°F (23.9°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Sterling, Virginia, with an average temperature fluctuating between 62.4°F (16.9°C) and 82.8°F (28.2°C). In Sterling, the average high-temperature in June marginally rises from 75°F (23.9°C) in May to a still warm 82.8°F (28.2°C). Weather in June »

Weather in July

July in Sterling, Virginia, is a tropical summer month, with temperature in the range of an average high of 87.8°F (31°C) and an average low of 67.3°F (19.6°C). With an average high-temperature of 87.8°F (31°C) and an average low-temperature of 67.3°F (19.6°C), July is the warmest month. In July, the average heat index is calculated to be a torrid 99.7°F (37.6°C). Weather in July »

Weather in August

August, the last month of the summer in Sterling, is also a moderately hot month, with an average temperature varying between 66°F (18.9°C) and 85.6°F (29.8°C). In August, the average high-temperature is relatively the same as in July - a warm 85.6°F (29.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Sterling, Virginia, with an average temperature fluctuating between 59.7°F (15.4°C) and 78.3°F (25.7°C). In September, the average high-temperature slightly decreases from a moderately hot 85.6°F (29.8°C) in August to a still warm 78.3°F (25.7°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Sterling, Virginia, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 66°F (18.9°C). In Sterling, the average high-temperature in October drops from a warm 78.3°F (25.7°C) in September to an enjoyable 66°F (18.9°C). Weather in October »

Weather in November

November, the last month of the autumn in Sterling, is another cool month, with temperature in the range of an average high of 53.6°F (12°C) and an average low of 37.8°F (3.2°C). In November, the average high-temperature drops from an enjoyable 66°F (18.9°C) in October to a cool 53.6°F (12°C). Weather in November »

Weather in December

December, the first month of the winter in Sterling, is also a frosty month, with temperature in the range of an average low of 32°F (0°C) and an average high of 45.1°F (7.3°C). In Sterling, the average high-temperature in December marginally drops from a cool 53.6°F (12°C) in November to a chilly 45.1°F (7.3°C). Weather in December »
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FAQ

What is the coldest month in Sterling?

With an average high-temperature of 39.7°F (4.3°C) and an average low-temperature of 25.9°F (-3.4°C), January is the coldest month in Sterling, Virginia.

How much does it rain in Sterling?

In Sterling, Virginia, during the entire year, the rain falls for 158.1 days and collects up to 31.46" (799mm) of precipitation.

When does it snow in Sterling?

Months with snowfall in Sterling, Virginia, are January through April, November and December.

When does it snow the most in Sterling?

January is the month with the most snowfall. Snow falls for 5.1 days and accumulates 3.54" (90mm) of snow.

How many days does it snow in Sterling?

Throughout the year, there are 16.7 snowfall days, and 12.28" (312mm) of snow is accumulated.

What is the month with the least sunshine in Sterling?

January, February and December, with an average of 5h of sunshine, are months with the least sunshine.

What are the months with the lowest UV index in Sterling?

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

When is Daylight Saving Time (DST) in Sterling?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Sterling, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Sterling?

In Sterling, Virginia, snow does not fall in May through October.

What are the months with the highest UV index in Sterling?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Sterling.

When are the longest days in Sterling?

The month with the longest days in Sterling, Virginia, is June, with an average of 14h and 52min of daylight.

What is the warmest month in Sterling?

July is the warmest month in Sterling, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 67.3°F (19.6°C).

What is the least humid month in Sterling?

July is the least humid month, with an average relative humidity of 70%.

What month has the most sunshine in Sterling?

July has the most sunshine of the year, with an average of 10.7h of sunshine.

What is the wettest month in Sterling?

August is the month with the most rainfall in Sterling, Virginia. Rain falls for 16.7 days and accumulates 3.78" (96mm) of precipitation.

What is the driest month in Sterling?

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.93" (49mm) of precipitation.

What is the most humid month in Sterling?

With an average relative humidity of 78%, December is the most humid month.

What is the month with the shortest days in Sterling?

December has the shortest days of the year, with an average of 9h and 29min of daylight.

Average pressure
Sterling, VA

Average pressure - Sterling, 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
Sterling, VA

Average wind speed - Sterling, VA

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average rainfall
Sterling, VA

Average rainfall - Sterling, VA

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days
Sterling, VA

Average rainfall days - Sterling, VA

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall
Sterling, VA

Average snowfall - Sterling, 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").

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Average snowfall days
Sterling, VA

Average snowfall days - Sterling, VA

The months with the highest number of snowfall days are January and February (5.1 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
Sterling, VA

Average daylight / Average sunshine - Sterling, VA

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

The month with the most sunshine is July (Average sunshine: 10.7h).
The months with the least sunshine are January, February and December (Average sunshine: 5).

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Average sunshine days
Sterling, VA

Average sunshine days - Sterling, VA

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index
Sterling, VA

Average UV index - Sterling, 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
Sterling, VA

Average visibility - Sterling, 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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