December weather forecast
Rundelac Farm, MD

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Weather in December

December, the first month of the winter in Rundelac Farm, is also a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 36.5°F (2.5°C).

Temperature

The average high-temperature slightly decreases in December, shifting from a fresh 54.5°F (12.5°C) in November to a frosty 46°F (7.8°C). Throughout the month of December, the average temperature dips to a wintry 36.5°F (2.5°C) at night.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Rundelac Farm, during December, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Rundelac Farm, in December, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated. Throughout the year, there are 8.3 snowfall days, and 1.22" (31mm) of snow is accumulated.

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 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

The months with the lowest UV index in Rundelac Farm, Maryland, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What is the usual temperature for Rundelac Farm in December?

The high-temperature during December is 46°F (7.8°C) and the low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 89.6°F (32°C).

What is the average humidity in December in Rundelac Farm?

The average relative humidity in December is 75%.

How many days does it rain in December?

In Rundelac Farm, in December, it is raining for 7.4 days, with typically 0.67" (17mm) of accumulated precipitation.

How much does it snow in December?

In Rundelac Farm, in December, snow falls for 1.5 days, with typically accumulated 0.12" (3mm) 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 Rundelac Farm have in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 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?

January, February 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?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat 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
Rundelac Farm, MD

Average temperature in December - Rundelac Farm, MD
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Rundelac Farm, MD

Average pressure in December - Rundelac Farm, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Rundelac Farm, MD

Average wind speed in December - Rundelac Farm, MD
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Rundelac Farm, MD

Average humidity in December - Rundelac Farm, 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
Rundelac Farm, MD

Average rainfall in December - Rundelac Farm, MD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Rundelac Farm, MD

Average rainfall days in December - Rundelac Farm, MD
  • Average rainfall days in December: 7.4 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in December
Rundelac Farm, MD

Average snowfall in December - Rundelac Farm, MD
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Rundelac Farm, MD

Average snowfall days in December - Rundelac Farm, MD
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.5 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
Rundelac Farm, MD

Average daylight in December / Average sunshine in December - Rundelac Farm, 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
Rundelac Farm, MD

Average sunshine days in December - Rundelac Farm, MD
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in December
Rundelac Farm, MD

Average UV index in December - Rundelac Farm, 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 and December (UV index 2).

Average cloud cover in December
Rundelac Farm, MD

Average cloud cover in December - Rundelac Farm, 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
Rundelac Farm, MD

Average visibility in December - Rundelac Farm, 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).

Rundelac Farm, Maryland, USA

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