January weather forecast
Baltimore, MD

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A golden evening appearance of tall buildings in Baltimore, Maryland
A golden evening appearance of tall buildings in Baltimore, Maryland

Weather in January

January in Baltimore, Maryland, brings chilly temperatures and the beginning of the year. The coldest month on average, this month generally starts with temperatures ranging from 38.5°F (3.6°C) down to 27.1°F (-2.7°C). A snowfall of 2.09" (53mm) makes this winter period a typical scene with a fresh coat of white powdery substance. Cold, frosty mornings often gives way to crystal clear, sunny afternoons. Although temperatures can be low, sunny days create perfect conditions for winter activities.

Temperature

January brings the lowest temperatures, with an average high of 38.5°F (3.6°C) and an average low of 27.1°F (-2.7°C).

Humidity

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

Rainfall

The month with the least rainfall in Baltimore is January, when the rain falls for 8.7 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

Months with snowfall in Baltimore are January through March, November and December. January is the month with the most snowfall in Baltimore. Snow falls for 4.2 days and accumulates 2.09" (53mm) of snow.

Ocean temperature

In Baltimore, the average seawater temperature in January is 46°F (7.8°C).
Note: You can swim in 46°F (7.8°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.

Daylight

In January, the average length of the day in Baltimore is 9h and 47min.
On the first day of January in Baltimore, sunrise is at 7:26 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm EST.

Sunshine

The average sunshine in January in Baltimore is 5.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In January, the UV index of 2 transforms into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What time of the year is the coldest in Baltimore?

January, having an average high-temperature of 38.5°F (3.6°C) and an average low-temperature of 27.1°F (-2.7°C), is the coldest month in Baltimore, Maryland.

How cold does it get in Baltimore in January?

The average high-temperature, in January, in Baltimore, is 38.5°F (3.6°C), while the average low-temperature is 27.1°F (-2.7°C).

What is the average humidity in January in Baltimore?

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

What is the driest month in Baltimore?

The month with the least rainfall in Baltimore, Maryland, is January, when the rain falls for 8.7 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Baltimore in January?

In Baltimore, Maryland, during January, the rain falls for 8.7 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When does it snow the most in Baltimore?

The month with the most snowfall in Baltimore is January, when snow falls for 4.2 days and typically aggregates up to 2.09" (53mm) of snow.

How many days does it snow in January in Baltimore?

In Baltimore, in January, snow falls for 4.2 days, with typically accumulated 2.09" (53mm) of snow.

What is the ocean temperature in January in Baltimore?

In Baltimore, in January, the average water temperature is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in January in Baltimore?

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

When is the sunrise / sunset in January in Baltimore?

On the first day of January in Baltimore, sunrise is at 7:26 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:25 pm EST.

How many hours of sunshine does Baltimore have in January?

In January, the average sunshine duration in Baltimore, Maryland, is 5.3h.

What is the month with the lowest UV index in Baltimore?

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

What is the UV index intensity in January in Baltimore?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Baltimore, MD

Average temperature in January - Baltimore, MD
  • Average high temperature in January: 38.5°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in January: 27.1°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in January
Baltimore, MD

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

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

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Average wind speed in January
Baltimore, MD

Average wind speed in January - Baltimore, MD
  • Average wind speed in January: 9mph

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 (5.7mph).

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Average humidity in January
Baltimore, MD

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

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April, July and November (72%).

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Average rainfall in January
Baltimore, MD

Average rainfall in January - Baltimore, MD
  • Average rainfall in January: 1.85"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in January
Baltimore, MD

Average rainfall days in January - Baltimore, MD
  • Average rainfall days in January: 8.7 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in January
Baltimore, MD

Average snowfall in January - Baltimore, MD
  • Average snowfall in January: 2.09"

The month with the highest snowfall is January (2.09").
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
Baltimore, MD

Average snowfall days in January - Baltimore, MD
  • Average snowfall days in January: 4.2 days

The month with the highest number of snowfall days is January (4.2 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
Baltimore, MD

Average sea temperature in January - Baltimore, 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
Baltimore, MD

Average daylight in January / Average sunshine in January - Baltimore, 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 2min

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
Baltimore, MD

Average sunshine days in January - Baltimore, MD
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in January
Baltimore, MD

Average UV index in January - Baltimore, 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, November and December (UV index 2).

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Average cloud cover in January
Baltimore, MD

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

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in January
Baltimore, MD

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

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