Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a cool 50.9°F (10.5°C) in November to an icy 41.9°F (5.5°C). Rutherford records an average low-temperature of 31.8°F (-0.1°C) throughout the month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 77%.Rainfall
In Rutherford, in December, it is raining for 11.6 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 162.7 rainfall days, and 29.72" (755mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 3.4 days. Throughout December, 1.18" (30mm) of snow is accumulated. In Rutherford, during the entire year, snow falls for 22 days and aggregates up to 8.19" (208mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.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 4:38 pm EST.
Sunshine
In Rutherford, the average sunshine in December is 4.9h.UV index
January through March, 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 low health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What are the most humid months?
What is the average humidity in December?
How much does it rain in Rutherford in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rutherford have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Rutherford have in December?
What is the month with the lowest UV index in Rutherford?
How high is the UV index in December?
Average temperature in December
Rutherford, NJ
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Rutherford, NJ
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Rutherford, NJ
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Rutherford, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Rutherford, NJ
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Rutherford, NJ
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Rutherford, NJ
- Average snowfall in December: 1.18"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rutherford, NJ
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (6.7 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
Rutherford, NJ
- Average daylight in December: 9h and 2min
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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Rutherford, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Rutherford, 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
Rutherford, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Rutherford, 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).
Rutherford, New Jersey, USA
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