January weather forecast
Dundalk, MD

Weather in January

January, the same as December, is another cold winter month in Dundalk, Maryland, with an average temperature varying between 27.7°F (-2.4°C) and 38.8°F (3.8°C).

Temperature

With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 27.7°F (-2.4°C), January is the coldest month.

Humidity

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

Rainfall

In January, the rain falls for 4.5 days. Throughout January, 0.35" (9mm) of precipitation is accumulated. 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. January is the month with the most snowfall. Snow falls for 1.7 days and accumulates 0.31" (8mm) of snow.

Ocean temperature

In Dundalk, the average seawater temperature in January is 46°F (7.8°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

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

Sunshine

The average sunshine in January in Dundalk is 5.2h.

UV index

January, February 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Dundalk?

The coldest month is January, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 27.7°F (-2.4°C).

What is the average humidity in January in Dundalk?

In January, the average relative humidity in Dundalk 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 Dundalk, in January, snow falls for 1.7 days, with typically accumulated 0.31" (8mm) of snow.

What is the ocean temperature in January in Dundalk?

In January, the average ocean temperature is 46°F (7.8°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Dundalk have in January?

In Dundalk, Maryland, the average day length in January is 9h and 47min.

When 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, Maryland, sunrise is at 7:13 am and sunset at 5:25 pm EST.

How many hours of sunshine does Dundalk have in January?

In Dundalk, Maryland, the average sunshine duration in January 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 reading in January in Dundalk?

In Dundalk, Maryland, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.

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 47min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in January: 5.2h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5h).

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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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