December weather forecastTrenton, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Trenton, Ohio, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 40.3°F (4.6°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's fresh 50.2°F (10.1°C) to a wintry 40.3°F (4.6°C). Trenton throughout December, experiences an average nighttime temperature of 29.3°F (-1.5°C).Humidity
January and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Trenton, in December, during 10.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Trenton, during the entire year, the rain falls for 148.1 days and collects up to 25.63" (651mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Trenton, in December, snow falls for 6.9 days, with typically accumulated 1.81" (46mm) of snow. In Trenton, during the entire year, snow falls for 29.9 days and aggregates up to 8.98" (228mm) of snow.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 7:39 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:24 pm EST.
Sunshine
In Trenton, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trenton, OH
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°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 (21.7°F).
Average pressure in December
Trenton, 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
Trenton, OH
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Trenton, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Trenton, OH
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is October (1.57").
Average rainfall days in December
Trenton, OH
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Trenton, OH
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Trenton, OH
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (8.4 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
Trenton, 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Trenton, OH
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Trenton, 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
Trenton, 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 28).
Average visibility in December
Trenton, 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).





