December weather forecast
Saefern, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Saefern, Maryland, with an average temperature fluctuating between 45.5°F (7.5°C) and 34.7°F (1.5°C).

Temperature

Saefern's progression into December involves a gentle drop in the average high-temperature, from a cool 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). During December, the temperature tends to dip to an average of 34.7°F (1.5°C) at night.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Saefern, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Saefern, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. In Saefern, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.

Daylight

The month with the shortest days in Saefern is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:24 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, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What are December temperatures?

In December, in Saefern, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is appraised at 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

In Saefern, in December, it is raining for 11.4 days, with typically 2.83" (72mm) of accumulated precipitation.

How much does it snow in December?

In Saefern, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Saefern have in December?

The average day length in December in Saefern is 9h and 29min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 pm EST.

How many hours of sunshine does Saefern have in December?

The average sunshine duration in December is 5.2h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Saefern, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to 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
Saefern, MD

Average temperature in December - Saefern, MD
  • Average high temperature in December: 45.5°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 (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in December
Saefern, MD

Average pressure in December - Saefern, 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
Saefern, MD

Average wind speed in December - Saefern, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in December
Saefern, MD

Average humidity in December - Saefern, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in December
Saefern, MD

Average rainfall in December - Saefern, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Saefern, MD

Average rainfall days in December - Saefern, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Saefern, MD

Average snowfall in December - Saefern, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Saefern, MD

Average snowfall days in December - Saefern, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 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
Saefern, MD

Average daylight in December / Average sunshine in December - Saefern, 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 6min).

Average sunshine days in December
Saefern, MD

Average sunshine days in December - Saefern, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Saefern, MD

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

Average cloud cover in December
Saefern, MD

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

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

Average visibility in December
Saefern, MD

Average visibility in December - Saefern, 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).

Saefern, Maryland, USA

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