December weather forecast
Trenton, OH

Share

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.

Frequently asked questions

Is it cold during December?

The average high-temperature and low-temperature in Trenton during December are 40.3°F (4.6°C) and 29.3°F (-1.5°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 87.8°F (31°C).

What is the most humid month in Trenton?

January and December, with an average relative humidity of 82%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 82%.

How much does it rain in December?

In Trenton, Ohio, in December, it is raining for 10.4 days, with typically 2.05" (52mm) of accumulated precipitation.

How much does it snow in December?

In Trenton, in December, snow falls for 6.9 days, with typically accumulated 1.81" (46mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Trenton have in December?

The average day length in December is 9h and 26min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:39 am and sunset at 5:14 pm. On the last day of the month, in Trenton, sunrise is at 7:57 am and sunset at 5:24 pm EST.

How long on average sun shines in December?

In Trenton, the average sunshine duration in December is 4h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Trenton.

How high is the UV index in December?

In Trenton, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Trenton, OH

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Trenton, OH
  • Average daylight in December: 9h and 2min

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 - 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 - 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 - 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 - 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).

Trenton, Ohio, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location