December weather forecastCenterville, OH
December
Weather in December
The first month of the winter, December, is still a cold month in Centerville, Ohio, with temperature in the range of an average high of 39.9°F (4.4°C) and an average low of 29.3°F (-1.5°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a chilly 49.6°F (9.8°C) in November to a cold 39.9°F (4.4°C). During the nights in December, Centerville experiences a consistent average temperature of 29.3°F (-1.5°C).Humidity
In Centerville, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 139.3 rainfall days, and 19.92" (506mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Centerville, during December, snow falls for 6.3 days and regularly aggregates up to 1.61" (41mm) of snow. In Centerville, Ohio, during the entire year, snow falls for 29.2 days and aggregates up to 7.44" (189mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Centerville, Ohio, sunrise is at 7:38 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine is 4.1h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Centerville, OH
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Centerville, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Centerville, OH
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Centerville, 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 (74%).
Average rainfall in December
Centerville, OH
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is October (1.18").
Average rainfall days in December
Centerville, OH
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Centerville, OH
- Average snowfall in December: 1.61"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Centerville, OH
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Centerville, OH
- Average daylight in December: 9h and 24min
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 6min
The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Centerville, OH
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Centerville, 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
Centerville, 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
Centerville, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





