December 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

Weather in December

The first month of the winter, December, is still a cold month in Columbus, Ohio, with average temperature fluctuating between 29.3°F (-1.5°C) and 39.2°F (4°C).

Temperature

In Columbus, the average high-temperature decreases, from a chilly 49.6°F (9.8°C) in November, to a wintry 39.2°F (4°C). In December, the average low-temperature is 29.3°F (-1.5°C).

Humidity

In Columbus, the average relative humidity in December is 81%.

Rainfall

In Columbus, in December, during 11.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 164.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Columbus, in December, snow falls for 8.7 days, with typically accumulated 2.44" (62mm) of snow. Throughout the year, there are 42.3 snowfall days, and 12.28" (312mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Columbus, with an average of 9.4h of daylight.

Sunshine

In Columbus, the average sunshine is 3.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
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. 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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FAQ

What is the temperature in December in Columbus?

In Columbus, in December, the average high-temperature is 39.2°F (4°C), and the average low-temperature is 29.3°F (-1.5°C).

What is the average humidity in December in Columbus?

In December, the average relative humidity in Columbus, Ohio, is 81%.

How many days does it rain in December in Columbus?

In Columbus, Ohio, during December, the rain falls for 11.6 days and regularly aggregates up to 2.4" (61mm) of precipitation.

How many days does it snow in December in Columbus?

In December, it is snowing for 8.7 days. Throughout December, 2.44" (62mm) of snow is accumulated.

What is the month with the shortest days in Columbus?

The month with the shortest days in Columbus, Ohio, is December, with an average of 9.4h of daylight.

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

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

How many hours of sunshine does Columbus have in December?

In Columbus, the average sunshine in December is 3.9h.

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

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

What is the UV index reading in December in Columbus?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.

Average temperature in December
Columbus, OH

Average temperature in December - Columbus, OH
  • Average high temperature in December: 39.2°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 December: 29.3°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 December
Columbus, OH

Average pressure in December - Columbus, OH
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in December
Columbus, OH

Average wind speed in December - Columbus, OH
  • Average wind speed in December: 8.7mph

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 December
Columbus, OH

Average humidity in December - Columbus, OH
  • Average humidity in December: 81%

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 December
Columbus, OH

Average rainfall in December - Columbus, OH
  • Average rainfall in December: 2.4"

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 December
Columbus, OH

Average rainfall days in December - Columbus, OH
  • Average rainfall days in December: 11.6 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 December
Columbus, OH

Average snowfall in December - Columbus, OH
  • Average snowfall in December: 2.44"

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

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Average snowfall days in December
Columbus, OH

Average snowfall days in December - Columbus, OH
  • Average snowfall days in December: 8.7 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).

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

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 the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 3.9h

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

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Average sunshine days in December
Columbus, OH

Average sunshine days in December - Columbus, OH
  • Average sunshine days in December: 12.4 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 December
Columbus, OH

Average UV index in December - Columbus, OH
  • Average UV index in December: 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).

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Average cloud cover in December
Columbus, OH

Average cloud cover in December - Columbus, OH
  • Average cloud cover in December: 59

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 December
Columbus, OH

Average visibility in December - Columbus, OH
  • Average visibility in December: 6mi

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

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