December weather forecast
White Plains, MD

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Weather in December

The first month of the winter, December, is still a chilly month in White Plains, Maryland, with an average temperature ranging between min 34.5°F (1.4°C) and max 46.9°F (8.3°C).

Temperature

The advent of December brings a slight shift in average high-temperature, moving from a fresh 55°F (12.8°C) in November to a frosty 46.9°F (8.3°C). White Plains encounters an average low-temperature of 34.5°F (1.4°C) during December nights.

Humidity

The average relative humidity in December is 77%.

Rainfall

In White Plains, Maryland, in December, during 11.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 151.4 rainfall days, and 29.33" (745mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In White Plains, in December, snow falls for 2 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 13.5 snowfall days, and 7.24" (184mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:56 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 5h of sunshine.

UV index

The months with the lowest UV index are January, February 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 unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

White Plains in December has an average high-temperature of 46.9°F (8.3°C) and an average low-temperature of 34.5°F (1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 95°F (35°C).

What is the average humidity in December?

In White Plains, the average relative humidity in December is 77%.

How much does it rain in White Plains in December?

In White Plains, in December, it is raining for 11.5 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 2 days. Throughout December, 1.02" (26mm) of snow is accumulated.

What is the month with the shortest days in White Plains?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does White Plains have in December?

The average day length in December is 9h and 31min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:56 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are February and December, with an average of 5h of sunshine.

How many hours of sunshine does White Plains have in December?

In White Plains, the average sunshine duration in December is 5h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

How high is the UV index in December?

In White Plains, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
White Plains, MD

Average temperature in December - White Plains, MD
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in December
White Plains, MD

Average pressure in December - White Plains, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
White Plains, MD

Average wind speed in December - White Plains, MD
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
White Plains, MD

Average humidity in December - White Plains, MD
  • Average humidity in December: 77%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).

Average rainfall in December
White Plains, MD

Average rainfall in December - White Plains, MD
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in December
White Plains, MD

Average rainfall days in December - White Plains, MD
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
White Plains, MD

Average snowfall in December - White Plains, MD
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
White Plains, MD

Average snowfall days in December - White Plains, MD
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is January (4.3 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, MD

Average daylight in December / Average sunshine in December - White Plains, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in December
White Plains, MD

Average sunshine days in December - White Plains, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in December
White Plains, MD

Average UV index in December - White Plains, MD
  • 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
White Plains, MD

Average cloud cover in December - White Plains, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
White Plains, MD

Average visibility in December - White Plains, MD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

White Plains, Maryland, USA

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