December weather forecast
Chamberlea, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Chamberlea, Maryland, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 44.1°F (6.7°C).

Temperature

As Chamberlea enters December, the average high-temperature subtly lowers from the a cool 53.1°F (11.7°C) of November to a chilly 44.1°F (6.7°C). Throughout December, an average nighttime temperature of 32.9°F (0.5°C) is experienced.

Humidity

In Chamberlea, the average relative humidity in December is 76%.

Rainfall

In Chamberlea, in December, during 11.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 165.5 rainfall days, and 31.65" (804mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Chamberlea, in December, snow falls for 2.9 days, with typically accumulated 1.22" (31mm) of snow. In Chamberlea, during the entire year, snow falls for 16.6 days and aggregates up to 7.8" (198mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Chamberlea, is 44.1°F (6.7°C), while the average low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity in Chamberlea is 76%.

How many days does it rain in December?

In December, the rain falls for 11.8 days. Throughout December, 2.6" (66mm) of precipitation is accumulated.

How much does it snow in Chamberlea in December?

In Chamberlea, during December, snow falls for 2.9 days and regularly aggregates up to 1.22" (31mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 28min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:54 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration in Chamberlea is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents 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
Chamberlea, MD

Average temperature in December - Chamberlea, MD
  • Average high temperature in December: 44.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Chamberlea, MD

Average pressure in December - Chamberlea, 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 (29.94"Hg).

Average wind speed in December
Chamberlea, MD

Average wind speed in December - Chamberlea, MD
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Chamberlea, MD

Average humidity in December - Chamberlea, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May and October (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in December
Chamberlea, MD

Average rainfall in December - Chamberlea, MD
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in December
Chamberlea, MD

Average rainfall days in December - Chamberlea, MD
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in December
Chamberlea, MD

Average snowfall in December - Chamberlea, MD
  • Average snowfall in December: 1.22"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Chamberlea, MD

Average snowfall days in December - Chamberlea, MD
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is January (4.9 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
Chamberlea, MD

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

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 30min).

  • 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: 5h and 0min).

Average sunshine days in December
Chamberlea, MD

Average sunshine days in December - Chamberlea, MD
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in December
Chamberlea, MD

Average UV index in December - Chamberlea, 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, November and December (UV index 2).

Average cloud cover in December
Chamberlea, MD

Average cloud cover in December - Chamberlea, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in December
Chamberlea, MD

Average visibility in December - Chamberlea, MD
  • 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).

Chamberlea, Maryland, USA

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