December weather forecastChaneyville, MD

December

Weather in December

The first month of the winter, December, is also a frosty month in Chaneyville, Maryland, with an average temperature ranging between min 36.5°F (2.5°C) and max 46.4°F (8°C).

Temperature

The commencement of December indicates a gentle shift in the average high-temperature, receding from November's fresh 54.7°F (12.6°C) to a frosty 46.4°F (8°C). Nighttime temperature experiences an average drop to a wintry 36.5°F (2.5°C) in December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 8.4 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Chaneyville, during December, snow falls for 1.6 days and regularly aggregates up to 0.28" (7mm) of snow. In Chaneyville, during the entire year, snow falls for 9.4 days and aggregates up to 1.97" (50mm) of snow.

Daylight

December has the shortest days of the year in Chaneyville, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:55 pm EST.

Sunshine

In Chaneyville, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature are 46.4°F (8°C) and 36.5°F (2.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

In December, the average relative humidity is 75%.

In December, the rain falls for 8.4 days. Throughout December, 0.91" (23mm) of precipitation is accumulated.

In Chaneyville, in December, snow falls for 1.6 days, with typically accumulated 0.28" (7mm) of snow.

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

In Chaneyville, the average day length in December is 9h and 31min.

On the first day of December, sunrise is at 7:06 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:55 pm EST.

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

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

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chaneyville, MD

  • Average high temperature in December: 46.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in December
Chaneyville, MD

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Chaneyville, MD

  • Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
Chaneyville, MD

  • Average humidity in December: 75%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in December
Chaneyville, MD

  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in December
Chaneyville, MD

  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in December
Chaneyville, MD

  • Average snowfall in December: 0.28"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Chaneyville, MD

  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (2.9 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
Chaneyville, MD

  • Average daylight in December: 9h and 30min

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 12min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Chaneyville, MD

  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).

Average UV index in December
Chaneyville, 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 and December (UV index 2).

Average cloud cover in December
Chaneyville, MD

  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Chaneyville, 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).