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
Welcoming December, Columbus observes a shift in the average high-temperature, falling from November's chilly 49.6°F (9.8°C) to a wintry 39.2°F (4°C). Columbus's temperature in December lowers to a consistent average of 29.3°F (-1.5°C) during the nights.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. Throughout the year, there are 164.3 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 8.7 days. Throughout December, 2.44" (62mm) of snow is accumulated. In Columbus, Ohio, during the entire year, snow falls for 42.3 days and aggregates up to 12.28" (312mm) of snow.Daylight
December has the shortest days of the year in Columbus, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in December 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 minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Columbus have in December?
When is the lowest UV index?
How high is the UV index in December?
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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