December weather forecastFieldsboro, NJ
December
Weather in December
December, the first month of the winter in Fieldsboro, is also a frosty month, with an average temperature fluctuating between 32.4°F (0.2°C) and 43.7°F (6.5°C).Temperature
The move into December indicates a slight reduction in the average high-temperature, down from November's cool 52.5°F (11.4°C) to a frosty 43.7°F (6.5°C). An average low-temperature of 32.4°F (0.2°C) is expected during December.Humidity
In Fieldsboro, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 7 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Fieldsboro, during the entire year, the rain falls for 117.8 days and collects up to 11.1" (282mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Fieldsboro, New Jersey, in December, snow falls for 1.8 days, with typically accumulated 0.43" (11mm) of snow. In Fieldsboro, during the entire year, snow falls for 11.4 days and aggregates up to 2.4" (61mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fieldsboro, NJ
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Fieldsboro, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Fieldsboro, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Fieldsboro, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Fieldsboro, NJ
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Fieldsboro, NJ
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Fieldsboro, NJ
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Fieldsboro, NJ
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Fieldsboro, NJ
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Fieldsboro, NJ
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in December
Fieldsboro, NJ
- Average UV index in December: 2
The months with the highest UV index are May, 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
Fieldsboro, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Fieldsboro, NJ
- 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).





