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 to December results in a modest reduction in average high-temperature, moving from a cool 52.3°F (11.3°C) in November to a frosty 44.1°F (6.7°C). The average nighttime temperature lowers to a wintry 34.7°F (1.5°C) throughout December.Humidity
The average relative humidity in December is 77%.Rainfall
In Winston Park, in December, during 12.6 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
Months with snowfall in Winston Park are January through April, October through December. In Winston Park, in December, during 3.2 snowfall days, 1.42" (36mm) of snow is typically accumulated. In Winston Park, during the entire year, snow falls for 17 days and aggregates up to 5.55" (141mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Winston Park, New Jersey.On the first day of the month, sunrise is at 7:00 am and sunset at 4:31 pm. On the last day of December, in Winston Park, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December in Winston Park, New Jersey, is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Winston Park. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is it in Winston Park in December?
What is the average humidity in December in Winston Park?
How much does it rain in Winston Park in December?
How much does it snow in Winston Park in December?
What is the month with the shortest days in Winston Park?
What is the average length of the day in December in Winston Park?
When is the sunrise / sunset in December in Winston Park?
How many hours of sunshine does Winston Park have in December?
What are the months with the lowest UV index in Winston Park?
What is the UV index intensity in December in Winston Park?
Average temperature in December
Winston Park, NJ
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Winston Park, 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
Winston Park, NJ
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Winston Park, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Winston Park, NJ
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Winston Park, NJ
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Winston Park, NJ
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Winston Park, 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 May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Winston Park, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Winston Park, NJ
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Winston 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
Winston Park, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Winston 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).
Winston Park, New Jersey, USA
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