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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a fresh 50.9°F (10.5°C) in November to an icy 41.9°F (5.5°C). A minimal decline in temperature from daytime highs is anticipated in Rochelle Park throughout the December nights, averaging a still wintry 32.9°F (0.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 75%.Rainfall
In Rochelle Park, during December, the rain falls for 11.6 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, in Rochelle Park, there are 150.3 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Rochelle Park. In Rochelle Park, during December, snow falls for 2.5 days and regularly aggregates up to 1.5" (38mm) of snow. Throughout the year, in Rochelle Park, New Jersey, there are 18.1 snowfall days, and 8.46" (215mm) of snow is accumulated.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, in Rochelle Park, sunrise is at 7:20 am and sunset at 4:38 pm EST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index in Rochelle Park are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Rochelle Park in December?
What are the most humid months in Rochelle Park?
What is the average humidity in December in Rochelle Park?
How many days does it rain in December in Rochelle Park?
How much does it snow in Rochelle Park in December?
What is the month with the shortest days in Rochelle Park?
What is the average length of the day in December in Rochelle Park?
What time are sunrise and sunset in December in Rochelle Park?
How long on average sun shines in December in Rochelle Park?
What are the months with the lowest UV index in Rochelle Park?
How high is the UV index in December in Rochelle Park?
Average temperature in December
Rochelle Park, NJ
- Average high temperature in December: 41.9°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 (36.3°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Rochelle Park, NJ
- Average pressure in December: 30.07"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
Rochelle Park, NJ
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Rochelle Park, NJ
- Average humidity in December: 75%
The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Rochelle Park, NJ
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").
Average rainfall days in December
Rochelle Park, NJ
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Rochelle Park, NJ
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rochelle Park, NJ
- Average snowfall days in December: 2.5 days
The months with the highest number of snowfall days are January and February (5.3 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
Rochelle Park, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Rochelle Park, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Rochelle Park, 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
Rochelle Park, 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 29).
Average visibility in December
Rochelle Park, 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).
Rochelle Park, New Jersey, USA
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