December weather forecastBaptistown, NJ
December
Weather in December
The first month of the winter, December, is still a cold month in Baptistown, New Jersey, with an average temperature ranging between max 40.8°F (4.9°C) and min 29.1°F (-1.6°C).Temperature
With the onset of December, Baptistown's average high-temperature adjusts, receding from November's cool 50.2°F (10.1°C) to a wintry 40.8°F (4.9°C). December nights are marked by an average low-temperature of 29.1°F (-1.6°C).Humidity
In Baptistown, the average relative humidity in December is 80%.Rainfall
In Baptistown, New Jersey, in December, during 5.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 91.3 rainfall days, and 7.28" (185mm) of precipitation is accumulated.Snowfall
Months with snowfall in Baptistown, New Jersey, are January through May, November and December. In Baptistown, during December, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow. In Baptistown, during the entire year, snow falls for 14.8 days and aggregates up to 2.24" (57mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Baptistown is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Baptistown. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Baptistown, NJ
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Baptistown, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Baptistown, NJ
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Baptistown, NJ
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Baptistown, NJ
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Baptistown, NJ
- Average rainfall days in December: 5.8 days
The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Baptistown, NJ
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Baptistown, NJ
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Baptistown, NJ
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Baptistown, NJ
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in December
Baptistown, NJ
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Baptistown, NJ
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Baptistown, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).





