Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a fresh 50.2°F (10.1°C) in November to an icy 40.3°F (4.6°C). Trenton, during December nights, observes an average 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. Throughout the year, there are 148.1 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Trenton. In Trenton, during December, snow falls for 6.9 days and regularly aggregates up to 1.81" (46mm) of snow. Throughout the year, in Trenton, there are 29.9 snowfall days, and 8.98" (228mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Trenton?
What are the most humid months in Trenton?
What is the average humidity in December in Trenton?
How much does it rain in Trenton in December?
How many days does it snow in December in Trenton?
What is the month with the shortest days in Trenton?
How many hours of daylight does Trenton have in December?
When is the sunrise / sunset in December in Trenton?
How many hours of sunshine does Trenton have in December?
When is the lowest UV index in Trenton?
What is the UV index reading in December in Trenton?
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 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: 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).
Trenton, Ohio, USA
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