January weather forecast
Columbia, MD

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A beautiful and scenic setting around the waterfront homes at Wilde Lake in Columbia, Maryland
A beautiful and scenic setting around the waterfront homes at Wilde Lake in Columbia, Maryland

Weather in January

As the first month of the year, January in Columbia, Maryland presents a chilly landscape, marked by a transition from the freezing temperatures of December. An additional 1.0 hour of daylight is observed, a modest increase compared to the preceding month. Rainfall is minimal but consistent, with days of snowfall markedly reduced from December. Notably, a swing in temperatures from lows of 26.1°F (-3.3°C) to highs of 38.1°F (3.4°C) is established, with snowfall reaching 2.52" (64mm) during the month. Cool winds complement the setting as Columbia ventures into a brand new year.

Temperature

January is the month when Columbia, Maryland, sees the lowest average temperatures, with a high of 38.1°F (3.4°C) and a low of 26.1°F (-3.3°C).

Humidity

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

Rainfall

The month with the least rainfall in Columbia is January, when the rain falls for 8.4 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Columbia, in January, during 4.4 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Columbia, during the entire year, snow falls for 15.9 days and aggregates up to 8.7" (221mm) of snow.

Daylight

The average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of January, in Columbia, Maryland, sunrise is at 7:15 am and sunset at 5:26 pm EST.

Sunshine

January and February, with an average of 5.1h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Columbia. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the maximum UV index of 2 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What part of the year is the coldest in Columbia?

January, marked by an average high-temperature of 38.1°F (3.4°C) and a low-temperature of 26.1°F (-3.3°C), is the coldest month.

How cold is January in Columbia?

In Columbia, in January, the average high-temperature is 38.1°F (3.4°C), and the average low-temperature is 26.1°F (-3.3°C).

What is the average humidity in January in Columbia?

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

What is the driest month in Columbia?

The month with the least rainfall in Columbia, Maryland, is January, when the rain falls for 8.4 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in January in Columbia?

In Columbia, Maryland, in January, it is raining for 8.4 days, with typically 1.85" (47mm) of accumulated precipitation.

How many days does it snow in January in Columbia?

In Columbia, Maryland, during January, snow falls for 4.4 days and regularly aggregates up to 2.52" (64mm) of snow.

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

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

When is the sunrise / sunset in January in Columbia?

On the first day of January in Columbia, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:26 pm EST.

What is the month with the least sunshine in Columbia?

The months with the least sunshine in Columbia are January and February, with an average of 5.1h of sunshine.

How many hours of sunshine does Columbia have in January?

In Columbia, Maryland, the average sunshine duration in January is 5.1h.

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

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

How high is the UV index in January in Columbia?

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 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
Columbia, MD

Average temperature in January - Columbia, MD
  • Average high temperature in January: 38.1°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in January: 26.1°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in January
Columbia, MD

Average pressure in January - Columbia, 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
Columbia, MD

Average wind speed in January - Columbia, MD
  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in January
Columbia, MD

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

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in January
Columbia, MD

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

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in January
Columbia, MD

Average rainfall days in January - Columbia, MD
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in January
Columbia, MD

Average snowfall in January - Columbia, MD
  • Average snowfall in January: 2.52"

The month with the highest snowfall is March (3.03").
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
Columbia, MD

Average snowfall days in January - Columbia, MD
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Columbia, 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 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

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Average sunshine days in January
Columbia, MD

Average sunshine days in January - Columbia, MD
  • Average sunshine days in January: 18.2 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

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Average UV index in January
Columbia, MD

Average UV index in January - Columbia, 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
Columbia, MD

Average cloud cover in January - Columbia, 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
Columbia, MD

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

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