December weather forecast
Big Pool, MD

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Weather in December

The first month of the winter, December, is also a wintry month in Big Pool, Maryland, with an average temperature ranging between max 41°F (5°C) and min 29.1°F (-1.6°C).

Temperature

December weather is marked by a drop in the average high-temperature, falling from a fresh 50.5°F (10.3°C) in November to an icy 41°F (5°C). Throughout December, Big Pool's nights cool down to an average of 29.1°F (-1.6°C).

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 79%.

Rainfall

In Big Pool, during December, the rain falls for 10.6 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Big Pool, Maryland, during the entire year, the rain falls for 158.9 days and collects up to 26.1" (663mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Big Pool, Maryland, during December, snow falls for 4.5 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 25.1 snowfall days, and 13.31" (338mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:58 pm EST.

Sunshine

In December, the average sunshine is 5h.

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 value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

How cold is December?

In December, in Big Pool, the average high-temperature is 41°F (5°C), and the average low-temperature is 29.1°F (-1.6°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the most humid month?

February, October and December, with an average relative humidity of 79%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in December?

In Big Pool, in December, it is raining for 10.6 days, with typically 2.05" (52mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 4.5 days. Throughout December, 1.85" (47mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, 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 is 9h and 25min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:58 pm EST.

How many hours of sunshine does Big Pool have in December?

In Big Pool, the average sunshine duration in December is 5h.

When is 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 December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes 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
Big Pool, MD

Average temperature in December - Big Pool, MD
  • Average high temperature in December: 41°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Big Pool, MD

Average pressure in December - Big Pool, 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
Big Pool, MD

Average wind speed in December - Big Pool, MD
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Big Pool, MD

Average humidity in December - Big Pool, MD
  • Average humidity in December: 79%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in December
Big Pool, MD

Average rainfall in December - Big Pool, MD
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.69").

Average rainfall days in December
Big Pool, MD

Average rainfall days in December - Big Pool, MD
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
Big Pool, MD

Average snowfall in December - Big Pool, MD
  • Average snowfall in December: 1.85"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Big Pool, MD

Average snowfall days in December - Big Pool, MD
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.5 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
Big Pool, MD

Average daylight in December / Average sunshine in December - Big Pool, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Big Pool, MD

Average sunshine days in December - Big Pool, MD
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).

Average UV index in December
Big Pool, MD

Average UV index in December - Big Pool, 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
Big Pool, MD

Average cloud cover in December - Big Pool, MD
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Big Pool, MD

Average visibility in December - Big Pool, MD
  • Average visibility in December: 5mi

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

Big Pool, Maryland, USA

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