Climate and monthly weather forecast
Glen Allen, VA

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Weather in January

January, like December, is a frosty winter month in Glen Allen, Virginia, with an average temperature fluctuating between 28.9°F (-1.7°C) and 43.9°F (6.6°C). During the coldest month, January, temperatures average a high of 43.9°F (6.6°C) and a low of 28.9°F (-1.7°C). Weather in January »

Weather in February

February, the last month of the winter in Glen Allen, is also a frosty month, with an average temperature fluctuating between 48.7°F (9.3°C) and 31.6°F (-0.2°C). In February, Glen Allen experiences a minor shift in meteorological conditions with average high-temperatures marked at a still frosty 48.7°F (9.3°C), closely mirroring the climate in January. Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Glen Allen, Virginia, with an average temperature fluctuating between 55.8°F (13.2°C) and 38.3°F (3.5°C). The shift from February to March sees a slight increase in the average high-temperature, transitioning from a frosty 48.7°F (9.3°C) to a refreshing 55.8°F (13.2°C). Weather in March »

Weather in April

April in Glen Allen, Virginia, is an agreeable spring month, with temperature in the range of an average high of 68°F (20°C) and an average low of 48.7°F (9.3°C). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a refreshing 55.8°F (13.2°C) to an agreeable 68°F (20°C). Weather in April »

Weather in May

May, the last month of the spring in Glen Allen, is a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 57.7°F (14.3°C). May's arrival is marked by an increase in the average high-temperature, moving from a pleasant 68°F (20°C) in April to a moderately hot 77°F (25°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Glen Allen, Virginia, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 64.9°F (18.3°C). June's onset witnesses a minor shift in the average high-temperature, moving from 77°F (25°C) in May to a still moderately hot 85.3°F (29.6°C). Weather in June »

Weather in July

July in Glen Allen, Virginia, is a tropical summer month, with an average temperature fluctuating between 69.3°F (20.7°C) and 90.1°F (32.3°C). July, with average temperatures reaching a high of 90.1°F (32.3°C) and a low of 69.3°F (20.7°C), is the warmest month. In July, the heat index is estimated at a scorching 105.8°F (41°C). Weather in July »

Weather in August

August, the last month of the summer in Glen Allen, is also a hot month, with an average temperature varying between 87.8°F (31°C) and 67.6°F (19.8°C). August observes an average high-temperature of a still tropical 87.8°F (31°C), marking an insignificant difference from July's 90.1°F (32.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Glen Allen, is also a moderately hot month, with an average temperature varying between 62.2°F (16.8°C) and 80.8°F (27.1°C). September reveals a small adjustment in temperature, transitioning from an average high of a hot 87.8°F (31°C) in August to a moderately hot 80.8°F (27.1°C). Weather in September »

Weather in October

October, the same as September, in Glen Allen, Virginia, is another pleasant autumn month, with an average temperature fluctuating between 68.7°F (20.4°C) and 51.6°F (10.9°C). Onset of October witnesses a reduction in the average high-temperature, falling from a warm 80.8°F (27.1°C) in September to a pleasant 68.7°F (20.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Glen Allen, is another mild month, with an average temperature fluctuating between 56.5°F (13.6°C) and 40.5°F (4.7°C). Glen Allen's weather changes with the onset of November, slightly falling from a pleasant 68.7°F (20.4°C) in October to a refreshing 56.5°F (13.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Glen Allen, Virginia, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 48.7°F (9.3°C). The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a mild 56.5°F (13.6°C) in November to a frosty 48.7°F (9.3°C). Weather in December »
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Frequently asked questions

What is the coldest month in Glen Allen?

January, marked by an average high-temperature of 43.9°F (6.6°C) and a low-temperature of 28.9°F (-1.7°C), is the coldest month.

How much does it rain in Glen Allen?

In Glen Allen, during the entire year, the rain falls for 152.8 days and collects up to 27.09" (688mm) of precipitation.

When does it snow in Glen Allen?

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

How much does it snow in Glen Allen?

Throughout the year, there are 11.7 snowfall days, and 7.01" (178mm) of snow is accumulated.

What is the month with the lowest UV index in Glen Allen?

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

What is the snowiest month in Glen Allen?

February is the month with the most snowfall in Glen Allen, Virginia. Snow falls for 3.8 days and accumulates 1.93" (49mm) of snow.

When is Daylight Saving Time (DST) in Glen Allen?

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.

When it does not snow in Glen Allen?

In Glen Allen, snow does not fall in May through October.

When are the longest days in Glen Allen?

The month with the longest days in Glen Allen, Virginia, is June, with an average of 14h and 42min of daylight.

What is the month with the highest UV index in Glen Allen?

With an average maximum UV index of 7, June is the month with the highest UV index in Glen Allen, Virginia.

What is the warmest month in Glen Allen?

Glen Allen experiences its average highest temperatures in July, reaching a peak of 90.1°F (32.3°C) and a minimum of 69.3°F (20.7°C).

What is the least humid month in Glen Allen?

The least humid month in Glen Allen is July, with an average relative humidity of 69%.

What month has the most sunshine in Glen Allen?

The month with the most sunshine is July, with an average of 10.6h of sunshine.

What is the wettest month in Glen Allen?

The month with the most rainfall is August, when the rain falls for 15.1 days and typically aggregates up to 2.83" (72mm) of precipitation.

What is the driest month in Glen Allen?

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.69" (43mm) of precipitation.

What is the most humid month in Glen Allen?

December is the most humid month in Glen Allen, with an average relative humidity of 78%.

What is the month with the shortest days in Glen Allen?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Glen Allen?

With an average of 5.2h of sunshine, December has the least sunshine of the year in Glen Allen.

Average temperature
Glen Allen, VA

Average temperature - Glen Allen, VA

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

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Average pressure
Glen Allen, VA

Average pressure - Glen Allen, 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
Glen Allen, VA

Average wind speed - Glen Allen, VA

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average rainfall
Glen Allen, VA

Average rainfall - Glen Allen, VA

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days
Glen Allen, VA

Average rainfall days - Glen Allen, VA

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall
Glen Allen, VA

Average snowfall - Glen Allen, VA

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Glen Allen, VA

Average snowfall days - Glen Allen, VA

The months with the highest number of snowfall days are January and February (3.8 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
Glen Allen, VA

Average daylight / Average sunshine - Glen Allen, VA

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days
Glen Allen, VA

Average sunshine days - Glen Allen, VA

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).

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Average visibility
Glen Allen, VA

Average visibility - Glen Allen, VA

The months with the highest visibility are January, February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are May and December (5mi).

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Glen Allen, Virginia, USA

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