Climate and monthly weather forecast
Alexandria, VA

Weather in January

January, like December, in Alexandria, Virginia, is a wintry winter month, with an average temperature varying between 40.6°F (4.8°C) and 27.7°F (-2.4°C). The coldest month is January, with an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 27.7°F (-2.4°C). Weather in January »

Weather in February

February, the last month of the winter in Alexandria, is a chilly month, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 30.2°F (-1°C). In Alexandria, Virginia, the average high-temperature in February is almost the same as in January - a frosty 45.1°F (7.3°C). Weather in February »

Weather in March

March, the first month of the spring in Alexandria, is a fresh month, with an average temperature varying between 53.2°F (11.8°C) and 37.4°F (3°C). In March, the average high-temperature marginally rises from a chilly 45.1°F (7.3°C) in February to a cool 53.2°F (11.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Alexandria, Virginia, with an average temperature ranging between min 47.3°F (8.5°C) and max 65.1°F (18.4°C). In April, the average high-temperature increases from a cool 53.2°F (11.8°C) in March to an enjoyable 65.1°F (18.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Alexandria, Virginia, with an average temperature fluctuating between 56.8°F (13.8°C) and 74.7°F (23.7°C). In May, the average high-temperature increases from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »

Weather in June

June, the first month of the summer in Alexandria, is still a warm month, with an average temperature ranging between min 64.2°F (17.9°C) and max 82.8°F (28.2°C). In Alexandria, the average high-temperature in June slightly increases from a moderately hot 74.7°F (23.7°C) in May to a still warm 82.8°F (28.2°C). Weather in June »

Weather in July

July in Alexandria, Virginia, is a hot summer month, with an average temperature varying between 87.8°F (31°C) and 69.1°F (20.6°C). The warmest month is July, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 69.1°F (20.6°C). In July, the average heat index is calculated to be a torrid 100.2°F (37.9°C). Weather in July »

Weather in August

August, the last month of the summer in Alexandria, is also a moderately hot month, with an average temperature ranging between min 67.6°F (19.8°C) and max 85.6°F (29.8°C). In August, the average high-temperature is almost 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 also a moderately hot month in Alexandria, Virginia, with an average temperature ranging between min 61.7°F (16.5°C) and max 78.6°F (25.9°C). In Alexandria, the average high-temperature in September slightly decreases 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 Alexandria, Virginia, is another enjoyable autumn month, with an average temperature ranging between min 51.3°F (10.7°C) and max 67.1°F (19.5°C). In Alexandria, the average high-temperature in October drops from a moderately hot 78.6°F (25.9°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Alexandria, is also a fresh month, with an average temperature ranging between max 55°F (12.8°C) and min 39.9°F (4.4°C). In Alexandria, the average high-temperature in November decreases from an enjoyable 67.1°F (19.5°C) in October to a cool 55°F (12.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Alexandria, Virginia, with an average temperature ranging between max 46.2°F (7.9°C) and min 34°F (1.1°C). In December, the average high-temperature marginally drops from a fresh 55°F (12.8°C) in November to a chilly 46.2°F (7.9°C). Weather in December »
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FAQ

What is the coldest month in Alexandria?

With an average high-temperature of 40.6°F (4.8°C) and an average low-temperature of 27.7°F (-2.4°C), January is the coldest month.

How many days does it rain in Alexandria?

In Alexandria, during the entire year, the rain falls for 158.2 days and collects up to 30.67" (779mm) of precipitation.

When does it snow in Alexandria?

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

When does it snow the most in Alexandria?

January is the month with the most snowfall in Alexandria. Snow falls for 4.5 days and accumulates 2.48" (63mm) of snow.

How much does it snow in Alexandria?

In Alexandria, during the entire year, snow falls for 14.4 days and aggregates up to 7.56" (192mm) of snow.

When is the lowest UV index in Alexandria?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What month is the ocean coldest in Alexandria?

February is the month with the coldest seawater in Alexandria, Virginia, with an average ocean temperature of 45.1°F (7.3°C).

What is the month with the least sunshine in Alexandria?

February has the least sunshine of the year in Alexandria, with an average of 5.1h of sunshine.

When is Daylight Saving Time (DST) in Alexandria?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Alexandria, Virginia, 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.

What is the least humid month in Alexandria?

April and July, with an average relative humidity of 71%, are the least humid months in Alexandria.

What is the most humid month in Alexandria?

May, October and December, with an average relative humidity of 76%, are most humid months in Alexandria, Virginia.

When it does not snow in Alexandria?

May through October are months without snowfall in Alexandria.

What is the month with the highest UV index in Alexandria?

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

When are the longest days in Alexandria?

June has the longest days of the year in Alexandria, with an average of 14h and 50min of daylight.

What is the warmest month in Alexandria?

The warmest month in Alexandria, Virginia, is July, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 69.1°F (20.6°C).

What month has the most sunshine in Alexandria?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Alexandria.

What is the wettest month in Alexandria?

August is the month with the most rainfall. Rain falls for 15.9 days and accumulates 3.43" (87mm) of precipitation.

What month is the ocean warmest in Alexandria?

August is the month with the warmest seawater in Alexandria, with an average ocean temperature of 78.1°F (25.6°C).

What is the driest month in Alexandria?

September is the month with the least rainfall in Alexandria, Virginia. Rain falls for 11.9 days and accumulates 1.93" (49mm) of precipitation.

What is the month with the shortest days in Alexandria?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

Average temperature
Alexandria, VA

Average temperature - Alexandria, 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 (40.6°F).

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure
Alexandria, VA

Average pressure - Alexandria, 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
Alexandria, VA

Average wind speed - Alexandria, VA

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity
Alexandria, VA

Average humidity - Alexandria, VA

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall
Alexandria, VA

Average rainfall - Alexandria, VA

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days
Alexandria, VA

Average rainfall days - Alexandria, VA

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall
Alexandria, VA

Average snowfall - Alexandria, VA

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Alexandria, VA

Average snowfall days - Alexandria, VA

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature
Alexandria, VA

Average sea temperature - Alexandria, VA

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.2°F).

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Average daylight / Average sunshine
Alexandria, VA

Average daylight / Average sunshine - Alexandria, VA

The month with the longest days is June (Average daylight: 14h and 50min).
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 month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days
Alexandria, VA

Average sunshine days - Alexandria, VA

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index
Alexandria, VA

Average UV index - Alexandria, 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 and December (UV index 2).

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Average visibility
Alexandria, VA

Average visibility - Alexandria, 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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