December weather forecast
Stewart's Landing, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Stewart's Landing, Maryland, with an average temperature varying between 34.7°F (1.5°C) and 45.5°F (7.5°C).

Temperature

Stewart's Landing's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 53.8°F (12.1°C) to a frosty 45.5°F (7.5°C). In the month of December, the temperature generally rests at an average low of 34.7°F (1.5°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Stewart's Landing, Maryland, during the entire year, the rain falls for 156.2 days and collects up to 31.34" (796mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Stewart's Landing, in December, during 2.4 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Stewart's Landing, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.

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 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

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 vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

During December, Stewart's Landing experiences an average high-temperature of 45.5°F (7.5°C) and a low-temperature of 34.7°F (1.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

In Stewart's Landing, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How many days does it snow in December in Stewart's Landing?

In Stewart's Landing, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) 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.

What is the average length of the day in December?

The average day length in December is 9h and 29min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

What is the month with the least sunshine?

With an average of 5h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Stewart's Landing?

The average sunshine duration in December in Stewart's Landing, Maryland, is 5h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Stewart's Landing, MD

Average temperature in December - Stewart
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in December
Stewart's Landing, MD

Average pressure in December - Stewart
  • 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).

Average wind speed in December
Stewart's Landing, MD

Average wind speed in December - Stewart
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in December
Stewart's Landing, MD

Average humidity in December - Stewart
  • 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
Stewart's Landing, MD

Average rainfall in December - Stewart
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in December
Stewart's Landing, MD

Average rainfall days in December - Stewart
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Stewart's Landing, MD

Average snowfall in December - Stewart
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Stewart's Landing, MD

Average snowfall days in December - Stewart
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 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
Stewart's Landing, MD

Average daylight in December / Average sunshine in December - Stewart
  • 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Stewart's Landing, MD

Average sunshine days in December - Stewart
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in December
Stewart's Landing, MD

Average UV index in December - Stewart
  • 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).

Average cloud cover in December
Stewart's Landing, MD

Average cloud cover in December - Stewart
  • 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
Stewart's Landing, MD

Average visibility in December - Stewart
  • 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).

Stewart's Landing, Maryland, USA

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