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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a cool 50.5°F (10.3°C) to an icy 41.5°F (5.3°C). White Plains experiences a mean temperature of 31.8°F (-0.1°C) during December nights.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall. Rain falls for 12 days and accumulates 3.98" (101mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In White Plains, in December, during 4.7 snowfall days, 2.32" (59mm) of snow is typically accumulated. Throughout the year, there are 27.1 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:36 pm EST.
Sunshine
The average sunshine in December in White Plains is 4.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does White Plains have in December?
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?
How high is the UV index in December?
Average temperature in December
White Plains, NY
- Average high temperature in December: 41.5°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 (35.2°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
White Plains, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
White Plains, NY
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
White Plains, NY
- Average humidity in December: 76%
The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in December
White Plains, NY
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
White Plains, NY
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
White Plains, NY
- Average snowfall in December: 2.32"
The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
White Plains, NY
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (7.7 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
White Plains, NY
- 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
White Plains, NY
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
White Plains, NY
- 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
White Plains, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
White Plains, NY
- 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).
White Plains, New York, USA
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