December weather forecastEly, NJ
December
Weather in December
December, the first month of the winter in Ely, is still a chilly month, with an average temperature varying between 32.7°F (0.4°C) and 43.9°F (6.6°C).Temperature
In December, the average high-temperature marginally decreases from a cool 52.5°F (11.4°C) in November to a frosty 43.9°F (6.6°C). Ely's nights in December cool down to an average low-temperature of 32.7°F (0.4°C).Humidity
The average relative humidity in December is 78%.Rainfall
In Ely, in December, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 154.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.Snowfall
Months with snowfall in Ely are January through May, November and December. In Ely, in December, during 3.2 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 18.9 snowfall days, and 8.39" (213mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
In Ely, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Ely are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. 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
Ely, NJ
- Average high temperature in December: 43.9°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 (37.4°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Ely, 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
Ely, NJ
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Ely, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Ely, NJ
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Ely, NJ
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Ely, NJ
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Ely, NJ
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.3 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
Ely, 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
Ely, NJ
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Ely, 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
Ely, 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 31).
Average visibility in December
Ely, 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).





