January weather forecast and climate
Columbus, OH

An evening autumn view of the cityscape of Columbus, Ohio
An evening autumn view of the cityscape of Columbus, Ohio
January, like December, in Columbus, Ohio, is another cold winter month, with average temperature ranging between max 33.4°F (0.8°C) and min 21.6°F (-5.8°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

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

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. In January, in Columbus, it is snowing for 12.9 days. Throughout January, 3.03" (77mm) of snow is accumulated. Throughout the year, there are 42.3 snowfall days, and 12.28" (312mm) of snow is accumulated.

Daylight

In Columbus, Ohio, the average length of the day is 9.7h.

Sunshine

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

UV index

Months with the lowest UV index 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 health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

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 temperature in January in Columbus?

The average high-temperature, in January, in Columbus, is 33.4°F (0.8°C), while the average low-temperature is 21.6°F (-5.8°C).

What is the most humid month in Columbus?

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

What is the average humidity in January in Columbus?

In January, the average relative humidity in Columbus is 82%.

How much does it rain in Columbus in January?

In Columbus, Ohio, in January, during 9.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How many days does it snow in January in Columbus?

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

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

The average length of the day in January in Columbus is 9.7h.

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?

In January, the average sunshine is 3.5h.

What is the month with 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 intensity 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 low health threat from the exposure to the Sun's UV rays.
Average temperature in January - Columbus, OH
  • Average high temperature in January: 0.8°C

The warmest month (with the highest average high temperature) is July (28.4°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in January: -5.8°C

The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in January - Columbus, OH
  • Average pressure in January: 1020.4mbar

The month with the highest atmospheric pressure is November (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in January - Columbus, OH
  • Average wind speed in January: 15.2km/h

The windiest month (with the highest average wind speed) is January (15.2km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

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%).

Average rainfall in January - Columbus, OH
  • Average rainfall in January: 59mm

The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (43mm).

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).

Average snowfall in January - Columbus, OH
  • Average snowfall in January: 77mm

The month with the highest snowfall is February (84mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Columbus, OH
  • Average daylight in January: 9.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in January: 3.5h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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).

Average UV index in January - Columbus, OH
  • Average UV index in January: 2

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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).

Average visibility in January - Columbus, OH
  • Average visibility in January: 8km

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January and February (8km).