Climate and monthly weather forecast
Green Valley, MD

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Weather in January

January, the same as December, is an icy winter month in Green Valley, Maryland, with an average temperature ranging between min 27.5°F (-2.5°C) and max 40.6°F (4.8°C). Green Valley records the coldest temperatures in January, averaging a high of 40.6°F (4.8°C) and a low of 27.5°F (-2.5°C). Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Green Valley, Maryland, with an average temperature fluctuating between 30.2°F (-1°C) and 44.8°F (7.1°C). Green Valley, Maryland, registers an average high-temperature of a chilly 44.8°F (7.1°C) at the commencement of February, closely related to the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Green Valley, Maryland, with an average temperature ranging between min 37.2°F (2.9°C) and max 53.2°F (11.8°C). As Green Valley enters March, the average high-temperature marginally increases from the a frosty 44.8°F (7.1°C) of February to a fresh 53.2°F (11.8°C). Weather in March »

Weather in April

April is an enjoyable spring month in Green Valley, Maryland, with an average temperature fluctuating between 47.3°F (8.5°C) and 65.1°F (18.4°C). Green Valley's April weather brings a rise in high-temperatures, moving from a fresh 53.2°F (11.8°C) in March to an enjoyable 65.1°F (18.4°C). Weather in April »

Weather in May

May, the last month of the spring in Green Valley, is a warm month, with an average temperature varying between 74.5°F (23.6°C) and 57°F (13.9°C). As May sets, the average high-temperature shows an increase, moving up from a comfortable 65.1°F (18.4°C) in April to a moderately hot 74.5°F (23.6°C). Weather in May »

Weather in June

June, the first month of the summer in Green Valley, is still a warm month, with an average temperature fluctuating between 64.2°F (17.9°C) and 82.8°F (28.2°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a moderately hot 74.5°F (23.6°C) to a still warm 82.8°F (28.2°C). Weather in June »

Weather in July

July in Green Valley, Maryland, is a hot summer month, with an average temperature ranging between max 88°F (31.1°C) and min 69.1°F (20.6°C). Green Valley's temperatures peak on average in July, reaching 88°F (31.1°C) at their highest and 69.1°F (20.6°C) at their lowest. The heat index in July is computed to be a very hot 100.4°F (38°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Green Valley, Maryland, with an average temperature fluctuating between 85.8°F (29.9°C) and 68°F (20°C). As August takes its course, Green Valley's average high-temperature registers at a warm 85.8°F (29.9°C), closely aligning with the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Green Valley, Maryland, with an average temperature ranging between min 61.9°F (16.6°C) and max 78.4°F (25.8°C). In Green Valley, entering September brings a subtle temperature decrement, reducing from August's moderately hot 85.8°F (29.9°C) to a still warm 78.4°F (25.8°C). Weather in September »

Weather in October

October, like September, in Green Valley, Maryland, is another refreshing autumn month, with an average temperature varying between 66.9°F (19.4°C) and 51.3°F (10.7°C). The shift from September to October corresponds with a decrease in the average high-temperature, down to a comfortable 66.9°F (19.4°C) from a moderately hot 78.4°F (25.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Green Valley, is also a fresh month, with an average temperature fluctuating between 39.7°F (4.3°C) and 54.9°F (12.7°C). With November's onset, the weather shows a temperature decrease, transitioning from an enjoyable 66.9°F (19.4°C) in October to a cool 54.9°F (12.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Green Valley, Maryland, with an average temperature varying between 34.2°F (1.2°C) and 46°F (7.8°C). The arrival of December signals a subtle shift in temperature, down from a cool 54.9°F (12.7°C) in November to a chilly 46°F (7.8°C). Weather in December »
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Frequently asked questions

What is the coldest month in Green Valley?

Green Valley notes the coldest temperatures in January, with a average high of 40.6°F (4.8°C) and a low of 27.5°F (-2.5°C).

What is the driest month in Green Valley?

January is the month with the least rainfall in Green Valley. Rain falls for 9.3 days and accumulates 1.57" (40mm) of precipitation.

How much does it rain in Green Valley?

In Green Valley, during the entire year, the rain falls for 149.1 days and collects up to 26.14" (664mm) of precipitation.

When does it snow in Green Valley?

January through March and December are months with snowfall in Green Valley.

What is the snowiest month in Green Valley?

The month with the most snowfall in Green Valley, Maryland, is January, when snow falls for 3.8 days and typically aggregates up to 2.17" (55mm) of snow.

How much does it snow in Green Valley?

Throughout the year, there are 11.7 snowfall days, and 6.3" (160mm) of snow is accumulated.

What is the month with the least sunshine in Green Valley?

The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.

What are the months with the lowest UV index in Green Valley?

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

When is Daylight Saving Time (DST) in Green Valley?

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.

What is the least humid month in Green Valley?

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

When it does not snow in Green Valley?

In Green Valley, Maryland, snow does not fall in April through November.

What is the most humid month in Green Valley?

May is the most humid month, with an average relative humidity of 76%.

When are the longest days in Green Valley?

With an average of 14h and 54min of daylight, June has the longest days of the year.

When is the highest UV index in Green Valley?

June is the month with the highest UV index in Green Valley, Maryland, with an average maximum UV index of 7.

What is the warmest month in Green Valley?

Green Valley witnesses the warmest weather in July, with temperatures averaging a high of 88°F (31.1°C) and a low of 69.1°F (20.6°C).

What month has the most sunshine in Green Valley?

The month with the most sunshine in Green Valley, Maryland, is July, with an average of 10.7h of sunshine.

What is the rainiest month in Green Valley?

The month with the most rainfall is August, when the rain falls for 15.5 days and typically aggregates up to 3.46" (88mm) of precipitation.

What is the month with the shortest days in Green Valley?

The month with the shortest days in Green Valley is December, with an average of 9h and 30min of daylight.

Average temperature
Green Valley, MD

Average temperature - Green Valley, MD

The warmest month (with the highest average high temperature) is July (88°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 (27.5°F).

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Average pressure
Green Valley, MD

Average pressure - Green Valley, 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
Green Valley, MD

Average wind speed - Green Valley, MD

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity
Green Valley, MD

Average humidity - Green Valley, MD

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall
Green Valley, MD

Average rainfall - Green Valley, MD

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days
Green Valley, MD

Average rainfall days - Green Valley, MD

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall
Green Valley, MD

Average snowfall - Green Valley, MD

The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Green Valley, MD

Average snowfall days - Green Valley, MD

The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Green Valley, MD

Average daylight / Average sunshine - Green Valley, MD

The month with the longest days is June (Average daylight: 14h and 54min).
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 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days
Green Valley, MD

Average sunshine days - Green Valley, MD

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).

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Average visibility
Green Valley, MD

Average visibility - Green Valley, 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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Green Valley, Maryland, USA

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