Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December in Columbus comes with a reduction in the average high-temperature, receding from a frosty 49.6°F (9.8°C) in November to a wintry 39.2°F (4°C). During December, Columbus records an average temperature of 29.3°F (-1.5°C) at night.Humidity
In Columbus, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 11.6 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. In Columbus, Ohio, during the entire year, the rain falls for 164.3 days and collects up to 30.55" (776mm) of precipitation.Snowfall
Months with snowfall in Columbus are January through April, October through December. In Columbus, during December, snow falls for 8.7 days and regularly aggregates up to 2.44" (62mm) of snow. Throughout the year, in Columbus, there are 42.3 snowfall days, and 12.28" (312mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Columbus, Ohio.On the first day of December, sunrise is at 7:35 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
The 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 minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is December in Columbus?
What is the average humidity in December in Columbus?
How many days does it rain in December in Columbus?
How many days does it snow in December in Columbus?
What is the month with the shortest days in Columbus?
What is the average length of the day in December in Columbus?
When is the sunrise / sunset in December in Columbus?
How many hours of sunshine does Columbus have in December?
What is the month with the lowest UV index in Columbus?
What is the UV index reading in December in Columbus?
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).
Average pressure in December
Columbus, OH
- Average pressure in December: 30.12"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).
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).
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%).
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").
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).
Average snowfall in December
Columbus, OH
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").
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).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Columbus, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 5min
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).
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).
Average UV index in December
Columbus, OH
- Average UV index in December: 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).
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).
Average visibility in December
Columbus, OH
- Average visibility in December: 6mi
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).
Columbus, Ohio, USA
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