December weather forecast
Hermitage Park, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Hermitage Park, Maryland, with an average temperature varying between 32.9°F (0.5°C) and 45.3°F (7.4°C).

Temperature

Hermitage Park's progression into December involves a gentle drop in the average high-temperature, from a cool 53.4°F (11.9°C) in November to a chilly 45.3°F (7.4°C). Throughout the month of December, Hermitage Park reports a steady low-temperature average of 32.9°F (0.5°C).

Humidity

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

Rainfall

In Hermitage Park, during December, the rain falls for 10.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Hermitage Park, during the entire year, the rain falls for 160.9 days and collects up to 32.99" (838mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Hermitage Park, during December, snow falls for 2.9 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, there are 17.1 snowfall days, and 10.2" (259mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December is 5.1h.

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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December leads to these advisories:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. 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. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The average high-temperature and low-temperature during December are 45.3°F (7.4°C) and 32.9°F (0.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What are the most humid months?

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

What is the average humidity in December?

The average relative humidity in December is 76%.

How many days does it rain in December?

In Hermitage Park, in December, during 10.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

How much does it snow in December?

In Hermitage Park, in December, snow falls for 2.9 days, with typically accumulated 1.38" (35mm) 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.

What is the average length of the day in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:55 pm EST.

How many hours of sunshine does Hermitage Park have in December?

The average sunshine duration in December is 5.1h.

What are the months with the lowest UV index?

January, November 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 Hermitage Park?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from 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
Hermitage Park, MD

Average temperature in December - Hermitage Park, MD
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Hermitage Park, MD

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

Average wind speed in December
Hermitage Park, MD

Average wind speed in December - Hermitage Park, MD
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Hermitage Park, MD

Average humidity in December - Hermitage Park, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Hermitage Park, MD

Average rainfall in December - Hermitage Park, MD
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in December
Hermitage Park, MD

Average rainfall days in December - Hermitage Park, MD
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Hermitage Park, MD

Average snowfall in December - Hermitage Park, MD
  • Average snowfall in December: 1.38"

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Hermitage Park, MD

Average snowfall days in December - Hermitage Park, MD
  • Average snowfall days in December: 2.9 days

The months with the highest number of snowfall days are January and February (5.1 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
Hermitage Park, MD

Average daylight in December / Average sunshine in December - Hermitage Park, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Hermitage Park, MD

Average sunshine days in December - Hermitage Park, MD
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

Average UV index in December
Hermitage Park, MD

Average UV index in December - Hermitage Park, 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
Hermitage Park, MD

Average cloud cover in December - Hermitage Park, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Hermitage Park, MD

Average visibility in December - Hermitage Park, MD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Hermitage Park, Maryland, USA

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