January weather forecast
Dundalk, MD

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Weather in January

The year in Dundalk, Maryland starts off with a chilly atmosphere, enwrapped in 73% relative humidity. Frosty winds flow at 9.3mph (15km/h), carrying a sprinkling of snowfall with 0.31in falling, which is the highest in the year. As the days are short, the limited sunlight gives way to an array of atmospheric colors during sunrise and sunset. The weather tends towards cold, requiring warm clothing, especially during nights which see the lowest temperatures. Those venturing outside in January should prepare for wind chill factors that can significantly lower the perceived temperature.

Temperature

Dundalk's coldest month, January, generally records average temperatures ranging from a high of 38.8°F (3.8°C) to a low of 27.7°F (-2.4°C).

Humidity

In Dundalk, the average relative humidity in January is 73%.

Rainfall

In Dundalk, Maryland, during January, the rain falls for 4.5 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Dundalk, during the entire year, the rain falls for 84.4 days and collects up to 6.85" (174mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall in Dundalk is January, when snow falls for 1.7 days and typically aggregates up to 0.31" (8mm) of snow.

Ocean temperature

In Dundalk, the average seawater temperature in January is 46°F (7.8°C).
Note: To swim in 46°F (7.8°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.

Daylight

In Dundalk, the average length of the day in January is 9h and 47min.
On the first day of January in Dundalk, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:24 pm EST.

Sunshine

In Dundalk, the average sunshine in January is 5.2h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during January translates into the following guidance:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What month is the coldest in Dundalk?

January is the coldest month in Dundalk, Maryland, exhibiting average temperatures of 38.8°F (3.8°C) at the peak and 27.7°F (-2.4°C) at the base.

Is it cold in Dundalk during January?

An average high-temperature, in January, in Dundalk, is 38.8°F (3.8°C) and the average low-temperature is 27.7°F (-2.4°C).

What is the average humidity in January in Dundalk?

The average relative humidity in January in Dundalk, Maryland, is 73%.

How much does it rain in Dundalk in January?

In Dundalk, in January, during 4.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

What is the snowiest month in Dundalk?

January is the month with the most snowfall in Dundalk. Snow falls for 1.7 days and accumulates 0.31" (8mm) of snow.

How many days does it snow in January in Dundalk?

In January, in Dundalk, it is snowing for 1.7 days. Throughout January, 0.31" (8mm) of snow is accumulated.

How cold is the water in January in Dundalk?

In January, the average ocean temperature in Dundalk is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Dundalk have in January?

The average day length in January in Dundalk is 9h and 47min.

What time are sunrise and sunset in January in Dundalk?

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 4:53 pm. On the last day of the month, in Dundalk, sunrise is at 7:13 am and sunset at 5:24 pm EST.

How many hours of sunshine does Dundalk have in January?

The average sunshine duration in January in Dundalk, Maryland, is 5.2h.

What are the months with the lowest UV index in Dundalk?

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

What is the UV index intensity in January in Dundalk?

In Dundalk, Maryland, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Dundalk, MD

Average temperature in January - Dundalk, MD
  • Average high temperature in January: 38.8°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in January: 27.7°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in January
Dundalk, MD

Average pressure in January - Dundalk, 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 (29.94"Hg).

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Average wind speed in January
Dundalk, MD

Average wind speed in January - Dundalk, MD
  • Average wind speed in January: 9.3mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in January
Dundalk, MD

Average humidity in January - Dundalk, MD
  • Average humidity in January: 73%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Dundalk, MD

Average rainfall in January - Dundalk, MD
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is September (0.24").

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Average rainfall days in January
Dundalk, MD

Average rainfall days in January - Dundalk, MD
  • Average rainfall days in January: 4.5 days

The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is November (4.1 days).

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Average snowfall in January
Dundalk, MD

Average snowfall in January - Dundalk, MD
  • Average snowfall in January: 0.31"

The month with the highest snowfall is January (0.31").
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
Dundalk, MD

Average snowfall days in January - Dundalk, MD
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in January
Dundalk, MD

Average sea temperature in January - Dundalk, MD
  • Average sea temperature in January: 46°F

The best month for swimming (with the highest average sea temperature) is August (77.5°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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Average daylight in January /
Average sunshine in January
Dundalk, MD

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

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).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in January
Dundalk, MD

Average sunshine days in January - Dundalk, MD
  • Average sunshine days in January: 24.7 days

The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (16.9 days).

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Average UV index in January
Dundalk, MD

Average UV index in January - Dundalk, 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, February and December (UV index 2).

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Average cloud cover in January
Dundalk, MD

Average cloud cover in January - Dundalk, MD
  • Average cloud cover in January: 43

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in January
Dundalk, MD

Average visibility in January - Dundalk, 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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Dundalk, Maryland, USA

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