December weather forecast
Sayers Forest, MD

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Weather in December

December, the first month of the winter in Sayers Forest, is also a frosty month, with an average temperature ranging between min 36.3°F (2.4°C) and max 46.2°F (7.9°C).

Temperature

In Sayers Forest, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 54.5°F (12.5°C) to a chilly 46.2°F (7.9°C). During December, the average low-temperature is an icy 36.3°F (2.4°C).

Humidity

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

Rainfall

In Sayers Forest, during December, the rain falls for 11.4 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Sayers Forest, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Sayers Forest, in December, during 1.7 snowfall days, 0.31" (8mm) of snow is typically accumulated. Throughout the year, there are 11.4 snowfall days, and 4.13" (105mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Sayers Forest, with an average of 9h and 30min of daylight.
On the first day of December in Sayers Forest, Maryland, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:52 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the usual temperature for Sayers Forest in December?

In December, the average high-temperature and low-temperature are 46.2°F (7.9°C) and 36.3°F (2.4°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in December?

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

How many days does it rain in December?

In December, in Sayers Forest, the rain falls for 11.4 days. Throughout December, 2.91" (74mm) of precipitation is accumulated.

How many days does it snow in December?

In Sayers Forest, in December, snow falls for 1.7 days, with typically accumulated 0.31" (8mm) 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.

How many hours of daylight does Sayers Forest have in December?

In December, the average day length is 9h and 29min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:52 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

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?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
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
Sayers Forest, MD

Average temperature in December - Sayers Forest, MD
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 36.3°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 (29.5°F).

Average pressure in December
Sayers Forest, MD

Average pressure in December - Sayers Forest, 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
Sayers Forest, MD

Average wind speed in December - Sayers Forest, MD
  • Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Sayers Forest, MD

Average humidity in December - Sayers Forest, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in December
Sayers Forest, MD

Average rainfall in December - Sayers Forest, MD
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Sayers Forest, MD

Average rainfall days in December - Sayers Forest, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Sayers Forest, MD

Average snowfall in December - Sayers Forest, MD
  • Average snowfall in December: 0.31"

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Sayers Forest, MD

Average snowfall days in December - Sayers Forest, MD
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (4.2 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
Sayers Forest, MD

Average daylight in December / Average sunshine in December - Sayers Forest, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Sayers Forest, MD

Average sunshine days in December - Sayers Forest, MD
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in December
Sayers Forest, MD

Average UV index in December - Sayers Forest, 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
Sayers Forest, MD

Average cloud cover in December - Sayers Forest, MD
  • Average cloud cover in December: 45

The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Sayers Forest, MD

Average visibility in December - Sayers Forest, 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).

Sayers Forest, Maryland, USA

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