December weather forecast
Layhill, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Layhill, Maryland, with an average temperature ranging between max 45.3°F (7.4°C) and min 32.9°F (0.5°C).

Temperature

The beginning of December brings a minor change in the average high-temperature, shifting from a fresh 53.4°F (11.9°C) in November to a chilly 45.3°F (7.4°C). Throughout the month of December, the nighttime temperature dips to an average of 32.9°F (0.5°C).

Humidity

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

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. In Layhill, 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 Layhill, in December, snow falls for 2.9 days, with typically accumulated 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 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.

Sunshine

In December, the average sunshine is 5.1h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Layhill in December?

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. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the most humid month?

May, October and December, with an average relative humidity of 76%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In Layhill, in December, it is raining for 10.2 days, with typically 2.76" (70mm) of accumulated precipitation.

How much does it snow in December?

In December, in Layhill, it is snowing for 2.9 days. Throughout December, 1.38" (35mm) of snow is accumulated.

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 Layhill have in December?

In Layhill, 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 7:08 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 long on average sun shines in December?

In December, the average sunshine duration in Layhill is 5.1h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Layhill, MD

Average temperature in December - Layhill, 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
Layhill, MD

Average pressure in December - Layhill, 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
Layhill, MD

Average wind speed in December - Layhill, 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
Layhill, MD

Average humidity in December - Layhill, 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
Layhill, MD

Average rainfall in December - Layhill, 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
Layhill, MD

Average rainfall days in December - Layhill, 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
Layhill, MD

Average snowfall in December - Layhill, 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
Layhill, MD

Average snowfall days in December - Layhill, 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
Layhill, MD

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

Average sunshine days in December - Layhill, 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
Layhill, MD

Average UV index in December - Layhill, 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
Layhill, MD

Average cloud cover in December - Layhill, 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
Layhill, MD

Average visibility in December - Layhill, 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).

Layhill, Maryland, USA

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