December weather forecastCedarville, OH
December
Weather in December
December, the first month of the winter in Cedarville, is also a wintry month, with an average temperature varying between 38.7°F (3.7°C) and 28.8°F (-1.8°C).Temperature
The onset of December results in a decrease in the average high-temperature, receding from a chilly 49.1°F (9.5°C) in November to an icy 38.7°F (3.7°C). During December, Cedarville observes a consistent average nighttime temperature of 28.8°F (-1.8°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.Rainfall
In December, in Cedarville, the rain falls for 7.2 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Cedarville, during the entire year, the rain falls for 109.5 days and collects up to 9.06" (230mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Cedarville, in December, snow falls for 5.4 days, with typically accumulated 0.47" (12mm) of snow. In Cedarville, during the entire year, snow falls for 25.3 days and aggregates up to 2.09" (53mm) of snow.Daylight
The month with the shortest days in Cedarville is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 5:11 pm. On the last day of December, in Cedarville, sunrise is at 7:56 am and sunset at 5:20 pm EST.
Sunshine
In Cedarville, the average sunshine in December is 4h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Cedarville. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cedarville, OH
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Cedarville, 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
Cedarville, OH
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Cedarville, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Cedarville, OH
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Cedarville, OH
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Cedarville, OH
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cedarville, OH
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cedarville, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Cedarville, OH
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in December
Cedarville, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Cedarville, OH
- Average cloud cover in December: 58
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
Cedarville, 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).





