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
Roosevelt's transition into December involves a gentle shift in temperature, receding from a cool 52.5°F (11.4°C) in November to a chilly 43.9°F (6.6°C). The nights of December in Roosevelt anticipate an average low-temperature of 32.7°F (0.4°C).Humidity
The average relative humidity in December in Roosevelt is 78%.Rainfall
In Roosevelt, in December, during 11 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, there are 154.3 rainfall days, and 29.25" (743mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Roosevelt, in December, during 3.2 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 18.9 snowfall days, and 8.39" (213mm) of snow is accumulated.Daylight
The month with the shortest days in Roosevelt is December, with an average of 9h and 24min of daylight.On the first day of December in Roosevelt, New Jersey, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roosevelt. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is it in Roosevelt in December?
What is the average humidity in December in Roosevelt?
How many days does it rain in December in Roosevelt?
How many days does it snow in December in Roosevelt?
What is the month with the shortest days in Roosevelt?
What is the average length of the day in December in Roosevelt?
What time are sunrise and sunset in December in Roosevelt?
How many hours of sunshine does Roosevelt have in December?
What are the months with the lowest UV index in Roosevelt?
What is the UV index reading in December in Roosevelt?
Average temperature in December
Roosevelt, NJ
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Roosevelt, 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
Roosevelt, NJ
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Roosevelt, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Roosevelt, NJ
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Roosevelt, NJ
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Roosevelt, NJ
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Roosevelt, NJ
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.3 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
Roosevelt, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Roosevelt, NJ
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Roosevelt, 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
Roosevelt, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Roosevelt, 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).
Roosevelt, New Jersey, USA
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