December weather forecast
Compton, MD

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Weather in December

December, the first month of the winter in Compton, is also a frosty month, with an average temperature varying between 36.9°F (2.7°C) and 47.1°F (8.4°C).

Temperature

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a cool 55°F (12.8°C) in November to a frosty 47.1°F (8.4°C). Compton reports an average nighttime low-temperature of 36.9°F (2.7°C) in December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Compton, in December, during 8.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Compton, during the entire year, the rain falls for 146.1 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Compton, during December, snow falls for 1.8 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 9 snowfall days, and 2.76" (70mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:56 pm EST.

Sunshine

In December, the average sunshine is 5.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Compton. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

What is the average December temperature?

The high-temperature during December is 47.1°F (8.4°C) and the low-temperature is 36.9°F (2.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 91.4°F (33°C).

What is the average humidity in December?

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

How many days does it rain in December?

In December, the rain falls for 8.2 days. Throughout December, 1.02" (26mm) of precipitation is accumulated.

How many days does it snow in December?

In Compton, in December, during 1.8 snowfall days, 0.71" (18mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Compton have in December?

In December, the average day length is 9h and 33min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:56 pm EST.

How long on average sun shines in December?

The average sunshine duration in December in Compton is 5.3h.

When is the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Compton, MD

Average temperature in December - Compton, MD
  • Average high temperature in December: 47.1°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 (41.7°F).

  • Average low temperature in December: 36.9°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Compton, MD

Average pressure in December - Compton, 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 (29.95"Hg).

Average wind speed in December
Compton, MD

Average wind speed in December - Compton, MD
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in December
Compton, MD

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is January (73%).

Average rainfall in December
Compton, MD

Average rainfall in December - Compton, MD
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are January and November (0.94").

Average rainfall days in December
Compton, MD

Average rainfall days in December - Compton, MD
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in December
Compton, MD

Average snowfall in December - Compton, MD
  • Average snowfall in December: 0.71"

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Compton, MD

Average snowfall days in December - Compton, MD
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Compton, MD

Average daylight in December / Average sunshine in December - Compton, MD
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 5h and 2min

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 12min).

Average sunshine days in December
Compton, MD

Average sunshine days in December - Compton, MD
  • Average sunshine days in December: 20 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is August (11.8 days).

Average UV index in December
Compton, MD

Average UV index in December - Compton, 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
Compton, MD

Average cloud cover in December - Compton, 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 28).

Average visibility in December
Compton, MD

Average visibility in December - Compton, 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).

Compton, Maryland, USA

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