December weather forecastXenia, OH
December
Weather in December
December in Xenia establishes the arrival of winter, characterized by cold temperatures and increased snowfall. Snowfall rises, reaching up to 2.56" (65mm) by the end of the month. A return of the snow-covered cityscape becomes quite the spectacle, especially around the holiday season. The shorter days and the chilly wind reinforce the need for warm clothes. In all, the weather offers the perfect excuse to enjoy hot cocoa by the fireside.Temperature
The onset of December brings a small change in high-temperatures, falling from a chilly 49.3°F (9.6°C) in November to a cold 39.4°F (4.1°C). Xenia observes an average low-temperature of 29.1°F (-1.6°C) during December nights.Humidity
In Xenia, the average relative humidity in December is 82%.Rainfall
In Xenia, in December, during 12.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 174.7 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Xenia, in December, snow falls for 9.4 days, with typically accumulated 2.56" (65mm) of snow. In Xenia, during the entire year, snow falls for 42.3 days and aggregates up to 14.21" (361mm) 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, sunrise is at 7:38 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Xenia. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Xenia, OH
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Xenia, 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
Xenia, OH
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Xenia, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Xenia, OH
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Xenia, OH
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (20.1 days).
The months with the least rainy days are January and February (9.8 days).
Average snowfall in December
Xenia, OH
- Average snowfall in December: 2.56"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Xenia, OH
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Xenia, 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 36min).
Average sunshine days in December
Xenia, OH
- Average sunshine days in December: 12 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Xenia, 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, November and December (UV index 2).
Average cloud cover in December
Xenia, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Xenia, 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).





