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
The arrival of December corresponds with a shift in temperature, down from 42.6°F (5.9°C) in November to a still wintry 32°F (0°C). South Trenton usually reports an average low-temperature of 22.8°F (-5.1°C) during the month of December.Humidity
In South Trenton, the average relative humidity in December is 87%.Rainfall
In South Trenton, New York, in December, it is raining for 12.5 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, in South Trenton, there are 178.5 rainfall days, and 38.54" (979mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in South Trenton, it is snowing for 16.6 days. Throughout December, 9.61" (244mm) of snow is accumulated. In South Trenton, during the entire year, snow falls for 87.9 days and aggregates up to 44.49" (1130mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December in South Trenton, sunrise is at 7:13 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:35 pm EST.
Sunshine
In South Trenton, New York, the average sunshine in December is 2.8h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
How cold is December in South Trenton?
What is the average humidity in December in South Trenton?
How many days does it rain in December in South Trenton?
How many days does it snow in December in South Trenton?
What is the month with the shortest days in South Trenton?
What is the average length of the day in December in South Trenton?
When is the sunrise / sunset in December in South Trenton?
How long on average sun shines in December in South Trenton?
What is the month with the lowest UV index in South Trenton?
What is the UV index reading in December in South Trenton?
Average temperature in December
South Trenton, NY
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
South Trenton, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
South Trenton, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
South Trenton, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
South Trenton, NY
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is October (3.78").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
South Trenton, NY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
South Trenton, NY
- Average snowfall in December: 9.61"
The month with the highest snowfall is January (10.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Trenton, NY
- Average snowfall days in December: 16.6 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Trenton, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
South Trenton, NY
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in December
South Trenton, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
South Trenton, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
South Trenton, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
South Trenton, New York, USA
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