Columbus
Ohio, USA
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Columbus, OH

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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.
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  • The 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).

  • The 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).

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  • The 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%).

  • The 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").

  • The 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).

  • The 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").

  • The 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).

  • The average daylight in December: 9h

Months with the longest days are June and July (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9h).

  • The 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).

  • The 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).

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