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 sea temperature 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's arrival aligns with a minor decrease in average high-temperatures, from November's cool 54.1°F (12.3°C) to a chilly 46°F (7.8°C). The temperature during December experiences a small drop from daytime peaks, recording an average of 37°F (2.8°C) at night.Humidity
In Pleasantville, the average relative humidity in December is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
Months with snowfall in Pleasantville are January through April, November and December. In Pleasantville, during December, snow falls for 2 days and regularly aggregates up to 1.1" (28mm) of snow. Throughout the year, there are 13 snowfall days, and 5.35" (136mm) of snow is accumulated.Ocean temperature
In December, the average ocean temperature is 48°F (8.9°C).Note: In 48°F (8.9°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
The month with the shortest days in Pleasantville is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:44 pm EST.
Sunshine
The average sunshine in December in Pleasantville is 5.1h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Pleasantville. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
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 mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How many days does it snow in December?
What is the ocean temperature in December?
What is the month with the shortest days?
What is the average length of the day in December in Pleasantville?
What time are sunrise and 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
Pleasantville, NJ
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Pleasantville, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Pleasantville, NJ
- Average wind speed in December: 10.6mph
The windiest months (with the highest average wind speed) are January and February (11.1mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in December
Pleasantville, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Pleasantville, NJ
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Pleasantville, NJ
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Pleasantville, NJ
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Pleasantville, NJ
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Pleasantville, NJ
- Average sea temperature in December: 48°F
The best month for swimming (with the highest average sea temperature) is August (76.5°F).
The coldest month (with the lowest average sea temperature) is February (40.3°F).
Average daylight in December /
Average sunshine in December
Pleasantville, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Pleasantville, NJ
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are May and July (14.1 days).
Average UV index in December
Pleasantville, 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 and December (UV index 2).
Average cloud cover in December
Pleasantville, NJ
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Pleasantville, 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).
Pleasantville, New Jersey, USA
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