Climate and monthly weather forecast
Long Green, MD

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Weather in January

January, the same as December, is a wintry winter month in Long Green, Maryland, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 37.9°F (3.3°C). The month of January sees the lowest average temperatures, reaching 37.9°F (3.3°C) at the peak and 25.9°F (-3.4°C) at the low. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Long Green, Maryland, with an average temperature varying between 41.4°F (5.2°C) and 28.2°F (-2.1°C). With the arrival of February, Long Green's average high-temperature registers at a still cold 41.4°F (5.2°C), indicating a subtle variation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a fresh month in Long Green, Maryland, with an average temperature varying between 50°F (10°C) and 35.1°F (1.7°C). Long Green's transition into March brings a slight rise in the average high-temperature, moving from a wintry 41.4°F (5.2°C) in February to a cool 50°F (10°C). Weather in March »

Weather in April

April is a comfortable spring month in Long Green, Maryland, with an average temperature fluctuating between 62.6°F (17°C) and 45.1°F (7.3°C). April sees a rise in the average high-temperature, climbing from a fresh 50°F (10°C) in March to a comfortable 62.6°F (17°C). Weather in April »

Weather in May

May, the last month of the spring in Long Green, is a pleasant month, with an average temperature fluctuating between 71.6°F (22°C) and 55°F (12.8°C). The commencement of May sees a shift in the average high-temperature, moving from a comfortable 62.6°F (17°C) in April to an agreeable 71.6°F (22°C). Weather in May »

Weather in June

June, the first month of the summer in Long Green, is a warm month, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.3°F (26.3°C). As Long Green enters June, the average high-temperature marginally increases from the a pleasant 71.6°F (22°C) of May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Long Green, Maryland, is another warm summer month, with an average temperature ranging between min 68.5°F (20.3°C) and max 84.9°F (29.4°C). Long Green witnesses the warmest weather in July, with temperatures averaging a high of 84.9°F (29.4°C) and a low of 68.5°F (20.3°C). July's mean heat index is estimated at a hot 93.2°F (34°C). Weather in July »

Weather in August

August, the last month of the summer in Long Green, is another warm month, with an average temperature fluctuating between 82.8°F (28.2°C) and 66.7°F (19.3°C). On the advent of August, Long Green's average high-temperature exhibits a minor adjustment to a still warm 82.8°F (28.2°C) from July's 84.9°F (29.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Long Green, is still a warm month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 60.4°F (15.8°C). The average high-temperature slightly decreases in September, shifting from a warm 82.8°F (28.2°C) in August to a still moderately hot 76.3°F (24.6°C). Weather in September »

Weather in October

October, like September, in Long Green, Maryland, is another enjoyable autumn month, with an average temperature ranging between max 64.8°F (18.2°C) and min 50.2°F (10.1°C). October's arrival comes with a decrease in the average high-temperature, moving from a warm 76.3°F (24.6°C) in September to an enjoyable 64.8°F (18.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Long Green, is another cool month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 52.9°F (11.6°C). As November arrives, Long Green's weather displays a decrease in high-temperatures, transitioning from October's comfortable 64.8°F (18.2°C) to a fresh 52.9°F (11.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Long Green, Maryland, with an average temperature varying between 43.9°F (6.6°C) and 33.1°F (0.6°C). December shows a mild decline in the average high-temperature, falling from November's cool 52.9°F (11.6°C) to a chilly 43.9°F (6.6°C). Weather in December »
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Long Green's temperature records reveal January as the coldest month, marked by average highs of 37.9°F (3.3°C) and lows of 25.9°F (-3.4°C).

What is the driest month?

The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 0.47" (12mm) of precipitation.

How many days does it rain?

In Long Green, during the entire year, the rain falls for 102.3 days and collects up to 9.25" (235mm) of precipitation.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 3.1 days and typically aggregates up to 0.55" (14mm) of snow.

How much does it snow?

In Long Green, Maryland, during the entire year, snow falls for 12.1 days and aggregates up to 1.81" (46mm) of snow.

What are the months with the lowest UV index?

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

What is the month with the least sunshine?

With an average of 4.9h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST)?

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?

April is the least humid month, with an average relative humidity of 73%.

What is the most humid month in Long Green?

The most humid month is May, with an average relative humidity of 79%.

When it does not snow?

May through October are months without snowfall.

What are the months with the highest UV index?

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

When are the longest days?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What is the hottest time of year?

July is the warmest month, exhibiting average temperatures of 84.9°F (29.4°C) at the peak and 68.5°F (20.3°C) at the base.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 11.3 days and typically aggregates up to 1.46" (37mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

Average temperature
Long Green, MD

Average temperature - Long Green, MD

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure
Long Green, MD

Average pressure - Long Green, MD

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Long Green, MD

Average wind speed - Long Green, MD

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity
Long Green, MD

Average humidity - Long Green, MD

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall
Long Green, MD

Average rainfall - Long Green, MD

The wettest month (with the highest rainfall) is August (1.46").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days
Long Green, MD

Average rainfall days - Long Green, MD

The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (5.2 days).

Average snowfall
Long Green, MD

Average snowfall - Long Green, MD

The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Long Green, MD

Average snowfall days - Long Green, MD

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

Average daylight / Average sunshine
Long Green, MD

Average daylight / Average sunshine - Long Green, 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 24min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days
Long Green, MD

Average sunshine days - Long Green, MD

The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is July (15.2 days).

Average UV index
Long Green, MD

Average UV index - Long Green, 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, February, November and December (UV index 2).

Average visibility
Long Green, MD

Average visibility - Long Green, MD

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

Long Green, Maryland, USA

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