Climate and monthly weather forecast
Deal Island, MD

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Weather in January

January, the same as December, is an icy winter month in Deal Island, Maryland, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 31.5°F (-0.3°C). January is the coldest month, exhibiting average temperatures of 42.1°F (5.6°C) at the peak and 31.5°F (-0.3°C) at the base. Weather in January »

Weather in February

The last month of the winter, February, is a chilly month in Deal Island, Maryland, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 45.3°F (7.4°C). As Deal Island steps into February, the average high-temperature holds at a frosty 45.3°F (7.4°C), hinting at a minor fluctuation from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Deal Island, Maryland, with an average temperature varying between 50.7°F (10.4°C) and 39.4°F (4.1°C). March witnesses a minor rise in the average high-temperature, transitioning from a frosty 45.3°F (7.4°C) in February to a cool 50.7°F (10.4°C). Weather in March »

Weather in April

April is a comfortable spring month in Deal Island, Maryland, with an average temperature ranging between min 49.3°F (9.6°C) and max 61.7°F (16.5°C). Entering April, Deal Island sees a temperature rise, with the average high-temperature advancing from March's cool 50.7°F (10.4°C) to a refreshing 61.7°F (16.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Deal Island, Maryland, with an average temperature varying between 71.1°F (21.7°C) and 58.6°F (14.8°C). May brings a rise in the average high-temperature, transitioning from April's comfortable 61.7°F (16.5°C) to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

June, the first month of the summer in Deal Island, is a moderately hot month, with temperature in the range of an average low of 67.1°F (19.5°C) and an average high of 79.3°F (26.3°C). In June, the meteorological conditions subtly change with the average high-temperature edging from a pleasant 71.1°F (21.7°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Deal Island, Maryland, with an average temperature varying between 84.2°F (29°C) and 72.3°F (22.4°C). Deal Island, Maryland, witnesses the warmest weather in July, with temperatures averaging a high of 84.2°F (29°C) and a low of 72.3°F (22.4°C). The average heat index in July is computed to be a hot 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Deal Island, Maryland, with an average temperature fluctuating between 71.1°F (21.7°C) and 82.8°F (28.2°C). As Deal Island welcomes August, the average high-temperature records at a still moderately hot 82.8°F (28.2°C), marking an insignificant deviation from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Deal Island, Maryland, with an average temperature varying between 65.7°F (18.7°C) and 77°F (25°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 82.8°F (28.2°C) to a still warm 77°F (25°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Deal Island, Maryland, with temperature in the range of an average high of 67.1°F (19.5°C) and an average low of 56.3°F (13.5°C). In October, the average high-temperature goes from a warm 77°F (25°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Deal Island, Maryland, with an average temperature fluctuating between 44.4°F (6.9°C) and 55.6°F (13.1°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a refreshing 67.1°F (19.5°C) in October to a mild 55.6°F (13.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Deal Island, Maryland, with an average temperature varying between 38.1°F (3.4°C) and 48.2°F (9°C). December brings a slight decrease in the average high-temperature, shifting from a mild 55.6°F (13.1°C) in November to a chilly 48.2°F (9°C). Weather in December »
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Frequently asked questions

What is the coldest time of year in Deal Island?

With an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 31.5°F (-0.3°C), January is the coldest month in Deal Island, Maryland.

What is the least humid month in Deal Island?

The least humid month is January, with an average relative humidity of 74%.

What is the driest month in Deal Island?

January is the month with the least rainfall. Rain falls for 9.7 days and accumulates 1.93" (49mm) of precipitation.

How many days does it rain in Deal Island?

In Deal Island, during the entire year, the rain falls for 158.7 days and collects up to 30.35" (771mm) of precipitation.

When does it snow in Deal Island?

Months with snowfall in Deal Island, Maryland, are January through March, November and December.

When does it snow the most in Deal Island?

January is the month with the most snowfall. Snow falls for 3.1 days and accumulates 1.34" (34mm) of snow.

How many days does it snow in Deal Island?

In Deal Island, during the entire year, snow falls for 8.7 days and aggregates up to 3.74" (95mm) of snow.

What are the months with the lowest UV index in Deal Island?

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 Deal Island?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Deal Island, Maryland, 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 Deal Island?

April through October are months without snowfall.

What is the most humid month in Deal Island?

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

What are the months with the highest UV index in Deal Island?

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

When are the longest days in Deal Island?

The month with the longest days in Deal Island is June, with an average of 14h and 48min of daylight.

What part of the year is the hottest in Deal Island?

July is the month that records the highest temperatures, with averages ranging from a high of 84.2°F (29°C) to a low of 72.3°F (22.4°C).

What month has the most sunshine in Deal Island?

July has the most sunshine of the year in Deal Island, Maryland, with an average of 10.9h of sunshine.

What is the wettest month in Deal Island?

August is the month with the most rainfall in Deal Island, Maryland. Rain falls for 17.2 days and accumulates 3.46" (88mm) of precipitation.

What is the month with the shortest days in Deal Island?

The month with the shortest days in Deal Island, Maryland, is December, with an average of 9h and 36min of daylight.

What is the month with the least sunshine in Deal Island?

With an average of 5.2h of sunshine, December has the least sunshine of the year in Deal Island.

Average temperature
Deal Island, MD

Average temperature - Deal Island, MD

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.1°F).

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure
Deal Island, MD

Average pressure - Deal Island, MD

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed
Deal Island, MD

Average wind speed - Deal Island, MD

The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average rainfall
Deal Island, MD

Average rainfall - Deal Island, MD

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days
Deal Island, MD

Average rainfall days - Deal Island, MD

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall
Deal Island, MD

Average snowfall - Deal Island, MD

The month with the highest snowfall is January (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Deal Island, MD

Average snowfall days - Deal Island, MD

The month with the highest number of snowfall days is January (3.1 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
Deal Island, MD

Average daylight / Average sunshine - Deal Island, MD

The month with the longest days is June (Average daylight: 14h and 48min).
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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days
Deal Island, MD

Average sunshine days - Deal Island, MD

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is August (9.8 days).

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Average UV index
Deal Island, MD

Average UV index - Deal Island, 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 and December (UV index 2).

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Average visibility
Deal Island, MD

Average visibility - Deal Island, 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).

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Deal Island, Maryland, USA

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