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
In December, the average high-temperature marginally decreases from a fresh 52.2°F (11.2°C) in November to a chilly 43.7°F (6.5°C). Whittier Oaks experiences a steady low-temperature of 34.2°F (1.2°C) throughout December.Humidity
In December, the average relative humidity is 76%.Rainfall
December is the month with the most rainfall in Whittier Oaks. Rain falls for 12.1 days and accumulates 3.35" (85mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Whittier Oaks. In Whittier Oaks, New Jersey, during December, snow falls for 3.5 days and regularly aggregates up to 1.46" (37mm) of snow. In Whittier Oaks, New Jersey, during the entire year, snow falls for 19.1 days and aggregates up to 7.64" (194mm) of snow.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 4:31 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December is 5.1h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Whittier Oaks during December?
What is the average humidity in December in Whittier Oaks?
What is the wettest month in Whittier Oaks?
How much does it rain in Whittier Oaks in December?
How many days does it snow in December in Whittier Oaks?
What is the month with the shortest days in Whittier Oaks?
What is the average length of the day in December in Whittier Oaks?
What time are sunrise and sunset in December in Whittier Oaks?
How long on average sun shines in December in Whittier Oaks?
When is the lowest UV index in Whittier Oaks?
What is the UV index intensity in December in Whittier Oaks?
Average temperature in December
Whittier Oaks, NJ
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Whittier Oaks, 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
Whittier Oaks, NJ
- Average wind speed in December: 9.5mph
The windiest months (with the highest average wind speed) are January and March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
Whittier Oaks, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are January, March, April, August and November (74%).
Average rainfall in December
Whittier Oaks, NJ
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Whittier Oaks, NJ
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.4 days).
The months with the least rainy days are January and November (9.8 days).
Average snowfall in December
Whittier Oaks, NJ
- Average snowfall in December: 1.46"
The month with the highest snowfall is March (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Whittier Oaks, NJ
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Whittier Oaks, NJ
- Average daylight in December: 9h and 2min
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 1min
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 54min).
Average sunshine days in December
Whittier Oaks, NJ
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Whittier Oaks, 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
Whittier Oaks, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Whittier Oaks, 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).
Whittier Oaks, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location