December weather forecast
Weller Farm, MD

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Weather in December

December, the first month of the winter in Weller Farm, is still a cold month, with an average temperature ranging between max 41.5°F (5.3°C) and min 29.3°F (-1.5°C).

Temperature

Arrival of December comes with a reduction in the average high-temperature, falling from a cool 50.7°F (10.4°C) in November to an icy 41.5°F (5.3°C). Throughout December, an average low-temperature of 29.3°F (-1.5°C) is experienced.

Humidity

In Weller Farm, the average relative humidity in December is 78%.

Rainfall

In Weller Farm, in December, during 11.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 164.7 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Weller Farm, in December, snow falls for 5.2 days, with typically accumulated 2.17" (55mm) of snow. Throughout the year, there are 28.6 snowfall days, and 14.65" (372mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:13 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:56 pm EST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

Is it cold during December?

In Weller Farm, in December, the average high-temperature is 41.5°F (5.3°C), and the average low-temperature is 29.3°F (-1.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December in Weller Farm is 78%.

How many days does it rain in December?

In Weller Farm, in December, it is raining for 11.2 days, with typically 2.24" (57mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 5.2 days. Throughout December, 2.17" (55mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days in Weller Farm is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

The average day length in December in Weller Farm, Maryland, is 9h and 25min.

When is the sunrise / sunset in December in Weller Farm?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:46 pm. On the last day of the month, in Weller Farm, sunrise is at 7:31 am and sunset at 4:56 pm EST.

How long on average sun shines in December?

In Weller Farm, Maryland, the average sunshine duration in December is 4.9h.

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.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Weller Farm, MD

Average temperature in December - Weller Farm, MD
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

Average pressure in December
Weller Farm, MD

Average pressure in December - Weller Farm, 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
Weller Farm, MD

Average wind speed in December - Weller Farm, MD
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Weller Farm, MD

Average humidity in December - Weller Farm, MD
  • Average humidity in December: 78%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Weller Farm, MD

Average rainfall in December - Weller Farm, MD
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").

Average rainfall days in December
Weller Farm, MD

Average rainfall days in December - Weller Farm, MD
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Weller Farm, MD

Average snowfall in December - Weller Farm, MD
  • Average snowfall in December: 2.17"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Weller Farm, MD

Average snowfall days in December - Weller Farm, MD
  • Average snowfall days in December: 5.2 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Weller Farm, MD

Average daylight in December / Average sunshine in December - Weller Farm, MD
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Weller Farm, MD

Average sunshine days in December - Weller Farm, MD
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in December
Weller Farm, MD

Average UV index in December - Weller Farm, MD
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Weller Farm, MD

Average cloud cover in December - Weller Farm, MD
  • Average cloud cover in December: 49

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Weller Farm, MD

Average visibility in December - Weller Farm, MD
  • Average visibility in December: 6mi

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

Weller Farm, Maryland, USA

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