Columbus
Ohio, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Columbus, OH

An evening autumn view of the cityscape of Columbus, Ohio, from the water and over the bridge
An evening autumn view of the cityscape of Columbus, Ohio, from the water and over the bridge
December is the cloudiest and darkest month of the year as the winter sets its feet in Columbus. The average temperatures dip down in the 27°F (-2.8°C) to 40°F (4.4°C) range as the days are cold and the nights are frosty.
The region receives an average of 5" (127mm) of snow and 3" (76.2mm) of icy rain. December has the shortest days of the year at 9 hours with less than 3 hours of sunshine. Early mornings routinely see fog, while the days tend towards the dark side in the absence of intense sun. Expect an occasional snowstorm in December.

What is the temperature in December in Columbus?

The average high-temperature, in December, in Columbus, Ohio, is 40.1°F (4.5°C), while the average low-temperature is 26.8°F (-2.9°C).

What is the most humid month in Columbus?

December is the most humid month, with an average relative humidity of 74.1%.

What is the average humidity in December in Columbus?

In Columbus, the average relative humidity in December is 74.1%.

How many days does it rain in December in Columbus?

In Columbus, in December, it is raining for 13.2 days, with typically 3" (75.4mm) of accumulated precipitation.

How much does it snow in Columbus in December?

In Columbus, Ohio, in December, snow falls for 6.5 days, with typically accumulated 5" (127mm) of snow.

What is the month with the shortest days in Columbus?

With an average of 9.4h of daylight, December has the shortest days of the year.

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

The average length of the day in December in Columbus, Ohio, is 9.4h.

What is the month with the least sunshine in Columbus?

December has the least sunshine of the year in Columbus, Ohio, with an average of 2.7h of sunshine.

How many hours of sunshine does Columbus have in December?

In December, the average sunshine is 2.7h.

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

December is the month with the lowest UV index in Columbus, with an average maximum UV index of 1.

How high is the UV index in December in Columbus?

In December, the average daily maximum UV index in Columbus is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Columbus, OH
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 26.8°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 (22.6°F).

Average humidity in December - Columbus, OH
  • Average humidity in December: 74.1%

The month with the highest relative humidity is December (74.1%).
The month with the lowest relative humidity is April (62.5%).

Average rainfall in December - Columbus, OH
  • Average rainfall in December: 3"

The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the lowest rainfall) is February (2.3").

Average rainfall days in December - Columbus, OH
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is January (14 days).
The month with the lowest number of rainy days is September (8.4 days).

Average snowfall in December - Columbus, OH
  • Average snowfall in December: 5"

The month with the highest snowfall is January (9.2").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in December - Columbus, OH
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (9.1 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Columbus, OH
  • Average daylight in December: 9.4h

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

  • Average sunshine in December: 2.7h

The month with most sunshine is June (Average sunshine: 8.6h).
The month with least sunshine is December (Average sunshine: 2.7h).

Average UV index in December - Columbus, OH
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).