Climate and monthly weather forecast
Chevy Chase, MD

Weather in January

January, like December, in Chevy Chase, Maryland, is a wintry winter month, with an average temperature varying between 27°F (-2.8°C) and 39.9°F (4.4°C). January is the coldest month, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 27°F (-2.8°C). Weather in January »

Weather in February

February, the last month of the winter in Chevy Chase, is a chilly month, with an average temperature fluctuating between 29.7°F (-1.3°C) and 44.1°F (6.7°C). In February, the average high-temperature is practically the same as in January - a frosty 44.1°F (6.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Chevy Chase, Maryland, with an average temperature varying between 52.7°F (11.5°C) and 36.9°F (2.7°C). In March, the average high-temperature slightly increases from a chilly 44.1°F (6.7°C) in February to a fresh 52.7°F (11.5°C). Weather in March »

Weather in April

April in Chevy Chase, Maryland, is an enjoyable spring month, with temperature in the range of an average low of 46.4°F (8°C) and an average high of 64.9°F (18.3°C). In April, the average high-temperature increases from a fresh 52.7°F (11.5°C) in March to a comfortable 64.9°F (18.3°C). Weather in April »

Weather in May

May, the last month of the spring in Chevy Chase, is a warm month, with an average temperature fluctuating between 74.5°F (23.6°C) and 56.3°F (13.5°C). In May, the average high-temperature rises from a comfortable 64.9°F (18.3°C) in April to a moderately hot 74.5°F (23.6°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Chevy Chase, Maryland, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 82.8°F (28.2°C). In June, the average high-temperature marginally rises from 74.5°F (23.6°C) in May to a still warm 82.8°F (28.2°C). Weather in June »

Weather in July

July in Chevy Chase, Maryland, 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 69.4°F (20.8°C). With an average high-temperature of 87.8°F (31°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month. The average heat index in July is estimated at a very hot 98.6°F (37°C). Weather in July »

Weather in August

August, the last month of the summer in Chevy Chase, is also a moderately hot month, with an average temperature ranging between max 85.8°F (29.9°C) and min 68°F (20°C). In Chevy Chase, the average high-temperature in August is essentially the same as in July - a warm 85.8°F (29.9°C). Weather in August »

Weather in September

September, the first month of the autumn in Chevy Chase, is also a moderately hot month, with an average temperature varying between 78.4°F (25.8°C) and 61.5°F (16.4°C). In Chevy Chase, Maryland, the average high-temperature in September marginally drops from 85.8°F (29.9°C) in August to a still moderately hot 78.4°F (25.8°C). Weather in September »

Weather in October

October, like September, in Chevy Chase, Maryland, is another enjoyable autumn month, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 66.2°F (19°C). In October, the average high-temperature drops from a moderately hot 78.4°F (25.8°C) in September to a comfortable 66.2°F (19°C). Weather in October »

Weather in November

November, the last month of the autumn in Chevy Chase, is also a fresh month, with an average temperature fluctuating between 53.8°F (12.1°C) and 39°F (3.9°C). In Chevy Chase, Maryland, the average high-temperature in November decreases from an enjoyable 66.2°F (19°C) in October to a cool 53.8°F (12.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Chevy Chase, Maryland, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 45.3°F (7.4°C). In December, the average high-temperature slightly decreases from a cool 53.8°F (12.1°C) in November to a frosty 45.3°F (7.4°C). Weather in December »
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FAQ

What is the coldest month in Chevy Chase?

With an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 27°F (-2.8°C), January is the coldest month in Chevy Chase.

What is the driest month in Chevy Chase?

January is the month with the least rainfall in Chevy Chase. Rain falls for 8.7 days and accumulates 1.69" (43mm) of precipitation.

How many days does it rain in Chevy Chase?

In Chevy Chase, during the entire year, the rain falls for 150.3 days and collects up to 28.66" (728mm) of precipitation.

When does it snow in Chevy Chase?

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

What is the snowiest month in Chevy Chase?

January is the month with the most snowfall in Chevy Chase, Maryland. Snow falls for 4.3 days and accumulates 2.6" (66mm) of snow.

How many days does it snow in Chevy Chase?

In Chevy Chase, Maryland, during the entire year, snow falls for 13.7 days and aggregates up to 8.39" (213mm) of snow.

What are the months with the least sunshine in Chevy Chase?

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

What are the months with the lowest UV index in Chevy Chase?

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

When is Daylight Saving Time (DST) in Chevy Chase?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Chevy Chase?

In Chevy Chase, Maryland, snow does not fall in May through October.

When is the highest UV index in Chevy Chase?

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

When are the longest days in Chevy Chase?

June has the longest days of the year in Chevy Chase, Maryland, with an average of 14h and 52min of daylight.

What is the warmest month in Chevy Chase?

The warmest month is July, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 69.4°F (20.8°C).

What is the least humid month in Chevy Chase?

The least humid month in Chevy Chase, Maryland, is July, with an average relative humidity of 69%.

What month has the most sunshine in Chevy Chase?

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

What is the wettest month in Chevy Chase?

August is the month with the most rainfall in Chevy Chase, Maryland. Rain falls for 16.7 days and accumulates 3.82" (97mm) of precipitation.

What is the most humid month in Chevy Chase?

December is the most humid month in Chevy Chase, Maryland, with an average relative humidity of 76%.

What is the month with the shortest days in Chevy Chase?

With an average of 9h and 29min of daylight, December has the shortest days of the year in Chevy Chase, Maryland.

Average temperature
Chevy Chase, MD

Average temperature - Chevy Chase, MD

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure
Chevy Chase, MD

Average pressure - Chevy Chase, MD

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
Chevy Chase, MD

Average wind speed - Chevy Chase, MD

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average rainfall
Chevy Chase, MD

Average rainfall - Chevy Chase, MD

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days
Chevy Chase, MD

Average rainfall days - Chevy Chase, MD

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall
Chevy Chase, MD

Average snowfall - Chevy Chase, MD

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Chevy Chase, MD

Average snowfall days - Chevy Chase, MD

The month with the highest number of snowfall days is February (4.4 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
Chevy Chase, MD

Average daylight / Average sunshine - Chevy Chase, MD

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: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).

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Average sunshine days
Chevy Chase, MD

Average sunshine days - Chevy Chase, MD

The month with the most sunshine days is November (20.4 days).
The months with the least sunshine days are May and July (12.3 days).

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Average UV index
Chevy Chase, MD

Average UV index - Chevy Chase, MD

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, November and December (UV index 2).

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Average visibility
Chevy Chase, MD

Average visibility - Chevy Chase, MD

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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