December weather forecast
Sayers Forest, MD

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Weather in December

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

Temperature

The onset of December is marked by a minor decrease in temperature, transitioning from a cool 54.5°F (12.5°C) in November to a frosty 46.2°F (7.9°C). Throughout December, an average nighttime temperature of 36.3°F (2.4°C) is experienced in Sayers Forest.

Humidity

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

Rainfall

In Sayers Forest, in December, during 11.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 159 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
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.

Sunshine

In Sayers Forest, Maryland, the average sunshine in December is 5.2h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Sayers Forest. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Sayers Forest in December?

The average high-temperature, in December, in Sayers Forest, is 46.2°F (7.9°C), while the average low-temperature is 36.3°F (2.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the average humidity in December in Sayers Forest?

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

How many days does it rain in December in Sayers Forest?

In Sayers Forest, in December, during 11.4 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How many days does it snow in December in Sayers Forest?

In Sayers Forest, during December, snow falls for 1.7 days and regularly aggregates up to 0.31" (8mm) of snow.

What is the month with the shortest days in Sayers Forest?

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

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

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

When are sunrise and sunset in December in Sayers Forest?

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

How long on average sun shines in December in Sayers Forest?

In Sayers Forest, Maryland, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Sayers Forest?

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

How high is the UV index in December in Sayers Forest?

In December, the average daily maximum UV index in Sayers Forest, Maryland, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Sayers Forest, Maryland, USA

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