December weather forecastHanover Furnace, NJ
December
Weather in December
The first month of the winter, December, is also a frosty month in Hanover Furnace, New Jersey, with an average temperature fluctuating between 32.7°F (0.4°C) and 44.2°F (6.8°C).Temperature
In Hanover Furnace, entering December brings a subtle temperature decrement, reducing from November's fresh 52.7°F (11.5°C) to a frosty 44.2°F (6.8°C). Hanover Furnace's average low-temperature during December nights is observed to be a cold 32.7°F (0.4°C).Humidity
In December, the average relative humidity in Hanover Furnace, New Jersey, is 78%.Rainfall
The month with the most rainfall in Hanover Furnace is December, when the rain falls for 10.9 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
Months with snowfall in Hanover Furnace are January through May, October through December. In December, it is snowing for 3.6 days. Throughout December, 1.5" (38mm) of snow is accumulated. Throughout the year, there are 19.6 snowfall days, and 10.63" (270mm) 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 the month, sunrise is at 7:01 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Hanover Furnace is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hanover Furnace. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hanover Furnace, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 32.7°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
Hanover Furnace, 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
Hanover Furnace, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Hanover Furnace, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Hanover Furnace, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Hanover Furnace, NJ
- Average rainfall days in December: 10.9 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Hanover Furnace, NJ
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hanover Furnace, NJ
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hanover Furnace, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Hanover Furnace, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Hanover Furnace, 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
Hanover Furnace, NJ
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Hanover Furnace, 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).
