January weather forecast
Columbus, OH

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An evening autumn view of the cityscape of Columbus, Ohio
An evening autumn view of the cityscape of Columbus, Ohio

Weather in January

January in Columbus, Ohio, is generally the coldest month with a chill in the air that bites. The high temperature averages at 33.4°F (0.8°C) and dips to a low of 21.6°F (-5.8°C). It is the month with the highest snowfall with 3.03" (77mm) and approximately 13 snowfall days. Flurries are a common sight, adding to the wintry scene set by the leafless trees and frosty lawns. One has to take care to keep warm when stepping out as the wind speeds average 9.4mph (15.1km/h).

Temperature

In Columbus, the lowest average temperatures are observed in January, with a high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C).

Humidity

The most humid month is January, with an average relative humidity of 82%.

Rainfall

In Columbus, during January, the rain falls for 9.4 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Columbus, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Columbus, in January, during 12.9 snowfall days, 3.03" (77mm) of snow is typically accumulated. Throughout the year, in Columbus, there are 42.3 snowfall days, and 12.28" (312mm) of snow is accumulated.

Daylight

In January, the average length of the day in Columbus is 9h and 43min.
On the first day of the month, sunrise is at 7:53 am and sunset at 5:17 pm. On the last day of January, sunrise is at 7:41 am and sunset at 5:49 pm EST.

Sunshine

With an average of 3.5h of sunshine, January has the least sunshine of the year in Columbus, Ohio.

UV index

The months with the lowest UV index in Columbus are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What month is the coldest in Columbus?

The month of January, characterized by an average high of 33.4°F (0.8°C) and a low of 21.6°F (-5.8°C), is recognized as the coldest in Columbus.

How cold is January in Columbus?

Columbus in January has an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C).

What is the most humid month in Columbus?

January is the most humid month, with an average relative humidity of 82%.

What is the average humidity in January in Columbus?

The average relative humidity in January in Columbus, Ohio, is 82%.

How many days does it rain in January in Columbus?

In January, in Columbus, the rain falls for 9.4 days. Throughout January, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in Columbus in January?

In January, it is snowing for 12.9 days. Throughout January, 3.03" (77mm) of snow is accumulated.

How many hours of daylight does Columbus have in January?

In January, the average day length in Columbus is 9h and 43min.

When are sunrise and sunset in January in Columbus?

On the first day of January in Columbus, sunrise is at 7:53 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:49 pm EST.

What is the month with the least sunshine in Columbus?

The month with the least sunshine in Columbus is January, with an average of 3.5h of sunshine.

How long on average sun shines in January in Columbus?

The average sunshine duration in January in Columbus, Ohio, is 3.5h.

When is the lowest UV index in Columbus?

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

What is the UV index reading in January in Columbus?

In January, the average daily maximum UV index in Columbus, Ohio, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Columbus, OH

Average temperature in January - Columbus, OH
  • Average high temperature in January: 33.4°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in January: 21.6°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in January
Columbus, OH

Average pressure in January - Columbus, OH
  • Average pressure in January: 30.13"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
Columbus, OH

Average wind speed in January - Columbus, OH
  • Average wind speed in January: 9.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in January
Columbus, OH

Average humidity in January - Columbus, OH
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in January
Columbus, OH

Average rainfall in January - Columbus, OH
  • Average rainfall in January: 2.32"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in January
Columbus, OH

Average rainfall days in January - Columbus, OH
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9.1 days).

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Average snowfall in January
Columbus, OH

Average snowfall in January - Columbus, OH
  • Average snowfall in January: 3.03"

The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Columbus, OH

Average snowfall days in January - Columbus, OH
  • Average snowfall days in January: 12.9 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Columbus, OH

Average daylight in January / Average sunshine in January - Columbus, OH
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 3h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in January
Columbus, OH

Average sunshine days in January - Columbus, OH
  • Average sunshine days in January: 10.7 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in January
Columbus, OH

Average UV index in January - Columbus, OH
  • 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
Columbus, OH

Average cloud cover in January - Columbus, OH
  • Average cloud cover in January: 63

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Columbus, OH

Average visibility in January - Columbus, OH
  • Average visibility in January: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Columbus, Ohio, USA

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