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 marks a gentle change in average high-temperature, declining from November's moderate 57.6°F (14.2°C) to a cool 50.2°F (10.1°C). Throughout the month of December, White Plains reports a steady low-temperature average of 36.3°F (2.4°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In White Plains, in December, it is raining for 11.2 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in White Plains, there are 159.5 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
Months with snowfall in White Plains, Virginia, are January through April, November and December. In White Plains, Virginia, during December, snow falls for 1 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 8.8 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:06 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in White Plains, Virginia, are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in White Plains?
What is the most humid month in White Plains?
What is the average humidity in December in White Plains?
How many days does it rain in December in White Plains?
How much does it snow in White Plains in December?
What is the month with the shortest days in White Plains?
What is the average length of the day in December in White Plains?
When are sunrise and sunset in December in White Plains?
What is the month with the least sunshine in White Plains?
How long on average sun shines in December in White Plains?
When is the lowest UV index in White Plains?
What is the UV index intensity in December in White Plains?
Average temperature in December
White Plains, VA
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in December: 36.3°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 (30.6°F).
Average pressure in December
White Plains, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
White Plains, VA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
White Plains, VA
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
White Plains, VA
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
White Plains, VA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
White Plains, VA
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
White Plains, VA
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
White Plains, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
White Plains, VA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
White Plains, VA
- 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 and December (UV index 2).
Average cloud cover in December
White Plains, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
White Plains, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
White Plains, Virginia, USA
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