December weather forecast
Stonehaven, MD

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Weather in December

December, the first month of the winter in Stonehaven, is also a frosty month, with an average temperature varying between 34.7°F (1.5°C) and 45.5°F (7.5°C).

Temperature

As Stonehaven enters December, the average high-temperature subtly lowers from the a cool 53.8°F (12.1°C) of November to a chilly 45.5°F (7.5°C). In Stonehaven, an average nighttime temperature of 34.7°F (1.5°C) is expected during December.

Humidity

In Stonehaven, the average relative humidity in December is 75%.

Rainfall

In Stonehaven, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Stonehaven, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

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

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

In Stonehaven, 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 low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What is the temperature in December?

In December, in Stonehaven, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 34.7°F (1.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the average humidity in December?

In Stonehaven, the average relative humidity in December is 75%.

How many days does it rain in December?

In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated.

How many days does it snow in December?

In Stonehaven, 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.

What is the average length of the day in December?

In Stonehaven, the average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading 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
Stonehaven, MD

Average temperature in December - Stonehaven, 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
Stonehaven, MD

Average pressure in December - Stonehaven, 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
Stonehaven, MD

Average wind speed in December - Stonehaven, 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
Stonehaven, MD

Average humidity in December - Stonehaven, 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
Stonehaven, MD

Average rainfall in December - Stonehaven, 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
Stonehaven, MD

Average rainfall days in December - Stonehaven, 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
Stonehaven, MD

Average snowfall in December - Stonehaven, 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
Stonehaven, MD

Average snowfall days in December - Stonehaven, 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
Stonehaven, MD

Average daylight in December / Average sunshine in December - Stonehaven, 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
Stonehaven, MD

Average sunshine days in December - Stonehaven, 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
Stonehaven, MD

Average UV index in December - Stonehaven, 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
Stonehaven, MD

Average cloud cover in December - Stonehaven, 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
Stonehaven, MD

Average visibility in December - Stonehaven, 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).

Stonehaven, Maryland, USA

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