January weather forecast
Columbus, OH

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

Weather in January

January, like December, in Columbus, Ohio, is a wintry winter month, with an average temperature varying between 21.6°F (-5.8°C) and 33.4°F (0.8°C).

Temperature

January is the coldest month, with an average high-temperature of 33.4°F (0.8°C) and an average low-temperature of 21.6°F (-5.8°C).

Humidity

With an average relative humidity of 82%, January is the most humid month in Columbus, Ohio.

Rainfall

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

Snowfall

January through April, October through December are months with snowfall. In Columbus, Ohio, during 12.9 snowfall days, 3.03" (77mm) of snow is typically accumulated. In Columbus, during the entire year, snow falls for 42.3 days and aggregates up to 12.28" (312mm) of snow.

Daylight

In January, the average length of the day in Columbus, Ohio, 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, in Columbus, sunrise is at 7:40 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.

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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Columbus?

The coldest month in Columbus, Ohio, is January, with 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 is 82%.

How many days does it rain in January in Columbus?

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

How much does it snow in Columbus in January?

In Columbus, in January, snow falls for 12.9 days, with typically accumulated 3.03" (77mm) of snow.

How many hours of daylight does Columbus have in January?

The average day length in January in Columbus is 9h and 43min.

When are sunrise and sunset in January in Columbus?

On the first day of January in Columbus, Ohio, sunrise is at 7:53 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:49 pm EST.

What is the month with the least sunshine in Columbus?

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

How long on average sun shines in January in Columbus?

In January, the average sunshine duration in Columbus 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?

The average daily maximum UV index in January in Columbus, Ohio, is 2. A UV Index 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 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 43min

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in January: 3h and 30min

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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