December weather forecast
Largo, MD

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Weather in December

December, the first month of the winter in Largo, is also a frosty month, with an average temperature fluctuating between 34.3°F (1.3°C) and 45.5°F (7.5°C).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a cool 54.1°F (12.3°C) in November to a frosty 45.5°F (7.5°C). December nights cool down to an average low-temperature of 34.3°F (1.3°C).

Humidity

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

Rainfall

In Largo, in December, during 9.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Largo, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.

Snowfall

Months with snowfall are January through April and December. December is the first month it typically snows. Throughout December, in the average 2.4 snowfall days, it receives 0.67" (17mm) of snow. In Largo, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Largo, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:55 pm EST.

Sunshine

In Largo, the average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the average December temperature in Largo?

In Largo, 45.5°F (7.5°C) is the average high-temperature and 34.3°F (1.3°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 93.2°F (34°C).

What are the most humid months in Largo?

The months with the highest humidity in Largo, Maryland, are May, October and December, with an average relative humidity of 76%.

What is the average humidity in December in Largo?

In December, the average relative humidity in Largo, Maryland, is 76%.

How much does it rain in Largo in December?

In Largo, in December, it is raining for 9.8 days, with typically 2.6" (66mm) of accumulated precipitation.

When does it start to snow in Largo?

December is the first month it typically snows. Throughout December, in the average 2.4 snowfall days, it receives 0.67" (17mm) of snow.

What is the month with the shortest days in Largo?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Largo?

In Largo, Maryland, the average day length in December is 9h and 30min.

What time are sunrise and sunset in December in Largo?

On the first day of December in Largo, Maryland, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:55 pm EST.

How long on average sun shines in December in Largo?

In December, the average sunshine duration is 5.1h.

What are the months with the lowest UV index in Largo?

January 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 Largo?

The average daily maximum UV index in December is 2. A UV Index reading 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
Largo, MD

Average temperature in December - Largo, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in December: 34.3°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
Largo, MD

Average pressure in December - Largo, 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).

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Average wind speed in December
Largo, MD

Average wind speed in December - Largo, MD
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Largo, MD

Average humidity in December - Largo, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in December
Largo, MD

Average rainfall in December - Largo, MD
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in December
Largo, MD

Average rainfall days in December - Largo, MD
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in December
Largo, MD

Average snowfall in December - Largo, MD
  • Average snowfall in December: 0.67"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in December
Largo, MD

Average snowfall days in December - Largo, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Largo, MD

Average daylight in December / Average sunshine in December - Largo, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
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 0min).

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Average sunshine days in December
Largo, MD

Average sunshine days in December - Largo, MD
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in December
Largo, MD

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

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Average cloud cover in December
Largo, MD

Average cloud cover in December - Largo, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Largo, MD

Average visibility in December - Largo, 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).

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Largo, Maryland, USA

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