December weather forecastBloomfield, NJ
December
Weather in December
December, the first month of the winter in Bloomfield, is still a cold month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 42.3°F (5.7°C).Temperature
As November transitions into December, Bloomfield sees a drop in the average high-temperature, transitioning from a fresh 51.4°F (10.8°C) to a wintry 42.3°F (5.7°C). Bloomfield, during the month of December, experiences an average low-temperature of 32.9°F (0.5°C).Humidity
The months with the highest humidity are February, May, October and December, with an average relative humidity of 76%.Rainfall
The month with the most rainfall in Bloomfield is December, when the rain falls for 12 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Bloomfield, in December, snow falls for 3.8 days, with typically accumulated 1.34" (34mm) of snow. In Bloomfield, New Jersey, during the entire year, snow falls for 21.1 days and aggregates up to 8.7" (221mm) 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 7:02 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index are January through March, 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 unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bloomfield, NJ
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Bloomfield, NJ
- Average pressure in December: 30.08"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
Bloomfield, NJ
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Bloomfield, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are February, May, October and December (76%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in December
Bloomfield, NJ
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Bloomfield, NJ
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Bloomfield, NJ
- Average snowfall in December: 1.34"
The month with the highest snowfall is March (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bloomfield, NJ
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Bloomfield, NJ
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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
Bloomfield, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Bloomfield, NJ
- 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, March, November and December (UV index 2).
Average cloud cover in December
Bloomfield, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Bloomfield, 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).
