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
During Harrington Park's transition into December, the average high-temperature lessens, moving from a cool 50.9°F (10.5°C) in November to a cold 41.7°F (5.4°C). An average temperature of 30.9°F (-0.6°C) is recorded in Harrington Park, New Jersey, during the nights in December.Humidity
In December, the average relative humidity is 76%.Rainfall
December is the month with the most rainfall in Harrington Park, New Jersey. Rain falls for 10.7 days and accumulates 3.46" (88mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Harrington Park, in December, during 4.6 snowfall days, 1.93" (49mm) of snow is typically accumulated. In Harrington Park, during the entire year, snow falls for 25.5 days and aggregates up to 10.55" (268mm) of snow.Daylight
December has the shortest days of the year in Harrington Park, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of December, in Harrington Park, sunrise is at 7:20 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine in Harrington Park, New Jersey, is 4.7h.UV index
The months with the lowest UV index in Harrington Park, New Jersey, 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 exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is December in Harrington Park?
What is the average humidity in December in Harrington Park?
What is the rainiest month in Harrington Park?
How much does it rain in Harrington Park in December?
How much does it snow in Harrington Park in December?
What is the month with the shortest days in Harrington Park?
What is the average length of the day in December in Harrington Park?
What time are sunrise and sunset in December in Harrington Park?
How many hours of sunshine does Harrington Park have in December?
What is the month with the lowest UV index in Harrington Park?
What is the UV index reading in December in Harrington Park?
Average temperature in December
Harrington Park, NJ
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Harrington 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
Harrington Park, NJ
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Harrington Park, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Harrington Park, NJ
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Harrington Park, NJ
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Harrington Park, NJ
- Average snowfall in December: 1.93"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Harrington Park, NJ
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (6.9 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
Harrington 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 4min
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
Harrington Park, NJ
- Average sunshine days in December: 16.8 days
The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).
Average UV index in December
Harrington 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
Harrington Park, NJ
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Harrington 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).
Harrington Park, New Jersey, USA
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