December weather forecastUnionville Center, OH
December
Weather in December
December, the first month of the winter in Unionville Center, is also a wintry month, with an average temperature fluctuating between 28°F (-2.2°C) and 38.1°F (3.4°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a frosty 48.6°F (9.2°C) in November to a cold 38.1°F (3.4°C). Unionville Center's December nights cool down to an average low-temperature of 28°F (-2.2°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Unionville Center, during December, the rain falls for 11.3 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Unionville Center, during the entire year, the rain falls for 171.9 days and collects up to 29.92" (760mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Unionville Center, it is snowing for 9.8 days. Throughout December, 2.6" (66mm) of snow is accumulated. Throughout the year, there are 45 snowfall days, and 12.56" (319mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:37 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:17 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Unionville Center, OH
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Unionville Center, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Unionville Center, OH
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Unionville Center, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Unionville Center, OH
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (1.89").
Average rainfall days in December
Unionville Center, OH
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Unionville Center, OH
- Average snowfall in December: 2.6"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Unionville Center, OH
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Unionville Center, OH
- Average daylight in December: 9h and 24min
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: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Unionville Center, OH
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Unionville Center, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Unionville Center, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Unionville Center, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
