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
December is marked by a subtle drop in average high-temperatures, transitioning from a fresh 53.4°F (11.9°C) in November to a frosty 44.6°F (7°C). An average minimum temperature of 33.8°F (1°C) marks the month of December.Humidity
In Waterford Works, the average relative humidity in December is 77%.Rainfall
In Waterford Works, in December, it is raining for 7.9 days, with typically 1.3" (33mm) of accumulated precipitation. In Waterford Works, during the entire year, the rain falls for 115.1 days and collects up to 11.97" (304mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Waterford Works, during December, snow falls for 2.4 days and regularly aggregates up to 0.28" (7mm) of snow. In Waterford Works, during the entire year, snow falls for 13.1 days and aggregates up to 3.5" (89mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:45 pm EST.
Sunshine
In Waterford Works, the average sunshine in December is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Waterford Works. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
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. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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 is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Waterford Works have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Waterford Works, NJ
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 33.8°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 (26.8°F).
Average pressure in December
Waterford Works, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Waterford Works, NJ
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Waterford Works, NJ
- Average humidity in December: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Waterford Works, NJ
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Waterford Works, NJ
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Waterford Works, NJ
- Average snowfall in December: 0.28"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Waterford Works, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Waterford Works, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Waterford Works, NJ
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Waterford Works, NJ
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Waterford Works, NJ
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Waterford Works, 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).
Waterford Works, New Jersey, USA
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