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 indicates a reduction in the average high-temperature, down to a wintry 38.7°F (3.7°C) from November's chilly 48.4°F (9.1°C). In December, the recorded average low-temperature in Newton is a freezing cold 27.3°F (-2.6°C).Humidity
The months with the highest humidity in Newton are February and December, with an average relative humidity of 82%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. In Newton, during the entire year, the rain falls for 161.1 days and collects up to 28.98" (736mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Newton, in December, snow falls for 6.5 days, with typically accumulated 2.83" (72mm) of snow. In Newton, New Jersey, during the entire year, snow falls for 36.8 days and aggregates up to 17.52" (445mm) 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 December in Newton, New Jersey, sunrise is at 7:05 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:40 pm EST.
Sunshine
The average sunshine in December in Newton is 4.6h.UV index
December is the month with the lowest UV index in Newton, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Newton?
What is the most humid month in Newton?
What is the average humidity in December in Newton?
How much does it rain in Newton in December?
How much does it snow in Newton in December?
What is the month with the shortest days in Newton?
What is the average length of the day in December in Newton?
When are sunrise and sunset in December in Newton?
How many hours of sunshine does Newton have in December?
When is the lowest UV index in Newton?
What is the UV index reading in December in Newton?
Average temperature in December
Newton, NJ
- Average high temperature in December: 38.7°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 (33.3°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Newton, 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
Newton, NJ
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Newton, NJ
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Newton, NJ
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Newton, NJ
- Average rainfall days in December: 11.5 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Newton, NJ
- Average snowfall in December: 2.83"
The months with the highest snowfall are January and February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Newton, NJ
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Newton, 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 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Newton, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Newton, NJ
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Newton, NJ
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Newton, NJ
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Newton, New Jersey, USA
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