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
December's onset brings a reduction in the average high-temperature, from a fresh 10.3°C (50.5°F) in November to an icy 4.7°C (40.5°F). The mean low-temperature during December nights is a subzero cold -1.3°C (29.7°F).Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 71mm (2.8") of precipitation is accumulated. In Circleville, during the entire year, the rain falls for 168.9 days and collects up to 823mm (32.4") of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 8.4 days. Throughout December, 67mm (2.64") of snow is accumulated. Throughout the year, in Circleville, there are 39.4 snowfall days, and 345mm (13.58") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:17 pm EST.
Sunshine
In Circleville, the average sunshine in December is 4.2h.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 threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December in Circleville?
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 in Circleville?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Circleville, OH
- Average high temperature in December: 4.7°C
The warmest month (with the highest average high temperature) is July (28.2°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in December
Circleville, OH
- Average pressure in December: 1020.3mbar
The month with the highest atmospheric pressure is November (1020.8mbar).
The month with the lowest atmospheric pressure is June (1014mbar).
Average wind speed in December
Circleville, OH
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in December
Circleville, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Circleville, OH
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is May (95mm).
The driest month (with the least rainfall) is September (49mm).
Average rainfall days in December
Circleville, OH
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Circleville, OH
- Average snowfall in December: 67mm
The months with the highest snowfall are January and February (87mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Circleville, OH
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Circleville, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Circleville, OH
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in December
Circleville, 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
Circleville, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Circleville, OH
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Circleville, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location