December weather forecast
Stoney Hill, MD

Share

Weather in December

The first month of the winter, December, is also a frosty month in Stoney Hill, Maryland, with an average temperature ranging between min 33.3°F (0.7°C) and max 45.3°F (7.4°C).

Temperature

Stoney Hill experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a cool 53.4°F (11.9°C) in November to a frosty 45.3°F (7.4°C). December witnesses an average nighttime temperature of 33.3°F (0.7°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Stoney Hill, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Stoney Hill, during the entire year, the rain falls for 158.5 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Stoney Hill, during December, snow falls for 2.2 days and regularly aggregates up to 0.75" (19mm) of snow. Throughout the year, in Stoney Hill, there are 13.6 snowfall days, and 6.54" (166mm) 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 7:07 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:54 pm EST.

Sunshine

In Stoney Hill, the average sunshine in December is 5.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. Boost your sun resistance with garments that are densely woven yet spacious. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In Stoney Hill, 45.3°F (7.4°C) is the average high-temperature and 33.3°F (0.7°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 91.4°F (33°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In Stoney Hill, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How much does it snow in December?

In Stoney Hill, in December, snow falls for 2.2 days, with typically accumulated 0.75" (19mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Stoney Hill have in December?

In Stoney Hill, Maryland, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.

How many hours of sunshine does Stoney Hill have in December?

In Stoney Hill, the average sunshine duration in December is 5.2h.

What is the month with the lowest UV index?

January, February, 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 Stoney Hill?

In Stoney Hill, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Stoney Hill, MD

Average temperature in December - Stoney Hill, MD
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Stoney Hill, MD

Average pressure in December - Stoney Hill, 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
Stoney Hill, MD

Average wind speed in December - Stoney Hill, MD
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Stoney Hill, MD

Average humidity in December - Stoney Hill, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in December
Stoney Hill, MD

Average rainfall in December - Stoney Hill, MD
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in December
Stoney Hill, MD

Average rainfall days in December - Stoney Hill, MD
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Stoney Hill, MD

Average snowfall in December - Stoney Hill, MD
  • Average snowfall in December: 0.75"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Stoney Hill, MD

Average snowfall days in December - Stoney Hill, MD
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Stoney Hill, MD

Average daylight in December / Average sunshine in December - Stoney Hill, 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
Stoney Hill, MD

Average sunshine days in December - Stoney Hill, MD
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are May and July (10.9 days).

Average UV index in December
Stoney Hill, MD

Average UV index in December - Stoney Hill, 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, February, November and December (UV index 2).

Average cloud cover in December
Stoney Hill, MD

Average cloud cover in December - Stoney Hill, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in December
Stoney Hill, MD

Average visibility in December - Stoney Hill, 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).

Stoney Hill, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location