January 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).

Temperature

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.

Humidity

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

Rainfall

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

Snowfall

January through March, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 3.1 days and accumulates 1.34" (34mm) of snow.

Daylight

In Deal Island, the average length of the day in January is 9h and 52min.
On the first day of January, sunrise is at 7:20 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:24 pm EST.

Sunshine

In Deal Island, the average sunshine in January is 5.6h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during January, leads to the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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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.

How cold is it in Deal Island in January?

January temperatures in Deal Island, Maryland, vary between a high-temperature of 42.1°F (5.6°C) and a low-temperature of 31.5°F (-0.3°C).

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 average humidity in January in Deal Island?

In January, the average relative humidity in Deal Island is 74%.

What is the driest month in Deal Island?

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

How many days does it rain in January in Deal Island?

In Deal Island, in January, during 9.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When does it snow the most in Deal Island?

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

How many days does it snow in January in Deal Island?

In January, in Deal Island, Maryland, it is snowing for 3.1 days. Throughout January, 1.34" (34mm) of snow is accumulated.

How many hours of daylight does Deal Island have in January?

In Deal Island, Maryland, the average day length in January is 9h and 52min.

When are sunrise and sunset in January in Deal Island?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 4:54 pm. On the last day of the month, in Deal Island, sunrise is at 7:09 am and sunset at 5:24 pm EST.

How many hours of sunshine does Deal Island have in January?

In January, the average sunshine duration in Deal Island is 5.6h.

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 in Deal Island, Maryland.

What is the UV index intensity in January in Deal Island?

The average daily maximum UV index in January in Deal Island, Maryland, is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Deal Island, MD

Average temperature in January - Deal Island, MD
  • Average high temperature in January: 42.1°F

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).

  • Average low temperature in January: 31.5°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 in January
Deal Island, MD

Average pressure in January - Deal Island, MD
  • Average pressure in January: 30.1"Hg

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 in January
Deal Island, MD

Average wind speed in January - Deal Island, MD
  • Average wind speed in January: 10.4mph

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 humidity in January
Deal Island, MD

Average humidity in January - Deal Island, MD
  • Average humidity in January: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in January
Deal Island, MD

Average rainfall in January - Deal Island, MD
  • Average rainfall in January: 1.93"

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 in January
Deal Island, MD

Average rainfall days in January - Deal Island, MD
  • Average rainfall days in January: 9.7 days

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 in January
Deal Island, MD

Average snowfall in January - Deal Island, MD
  • Average snowfall in January: 1.34"

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 in January
Deal Island, MD

Average snowfall days in January - Deal Island, MD
  • Average snowfall days in January: 3.1 days

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 in January /
Average sunshine in January
Deal Island, MD

Average daylight in January / Average sunshine in January - Deal Island, MD
  • Average daylight in January: 9h and 5min

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).

  • Average sunshine in January: 5h and 4min

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 in January
Deal Island, MD

Average sunshine days in January - Deal Island, MD
  • Average sunshine days in January: 18.2 days

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 in January
Deal Island, MD

Average UV index in January - Deal Island, MD
  • Average UV index in January: 2

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 cloud cover in January
Deal Island, MD

Average cloud cover in January - Deal Island, MD
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in January
Deal Island, MD

Average visibility in January - Deal Island, MD
  • Average visibility in January: 6mi

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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