December weather forecast
Steuart Corner, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Steuart Corner, Maryland, with an average temperature ranging between min 36.5°F (2.5°C) and max 46°F (7.8°C).

Temperature

Steuart Corner's weather subtly changes with the onset of December, barely falling from a cool 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). Steuart Corner experiences an average low-temperature reading of 36.5°F (2.5°C) throughout December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Steuart Corner, in December, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Steuart Corner are January through March, November and December. In Steuart Corner, in December, snow falls for 1.5 days, with typically accumulated 0.12" (3mm) of snow. In Steuart Corner, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) 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 the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of December, in Steuart Corner, sunrise is at 7:24 am and sunset at 4:54 pm EST.

Sunshine

In Steuart Corner, the average sunshine in December is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

Steuart Corner in December has an average high-temperature of 46°F (7.8°C) and an average low-temperature of 36.5°F (2.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 89.6°F (32°C).

What is the average humidity in December in Steuart Corner?

In December, the average relative humidity is 75%.

How much does it rain in December?

In Steuart Corner, during December, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in December?

In Steuart Corner, during December, snow falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of snow.

What is the month with the shortest days?

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 Steuart Corner?

In Steuart Corner, Maryland, 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 many hours of sunshine does Steuart Corner have in December?

In Steuart Corner, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index?

The months with the lowest UV index in Steuart Corner are January, February and December, with an average maximum UV index of 2.

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 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
Steuart Corner, MD

Average temperature in December - Steuart Corner, 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
Steuart Corner, MD

Average pressure in December - Steuart Corner, 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
Steuart Corner, MD

Average wind speed in December - Steuart Corner, 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
Steuart Corner, MD

Average humidity in December - Steuart Corner, 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
Steuart Corner, MD

Average rainfall in December - Steuart Corner, 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
Steuart Corner, MD

Average rainfall days in December - Steuart Corner, 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
Steuart Corner, MD

Average snowfall in December - Steuart Corner, 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
Steuart Corner, MD

Average snowfall days in December - Steuart Corner, 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
Steuart Corner, MD

Average daylight in December / Average sunshine in December - Steuart Corner, 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
Steuart Corner, MD

Average sunshine days in December - Steuart Corner, 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
Steuart Corner, MD

Average UV index in December - Steuart Corner, 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
Steuart Corner, MD

Average cloud cover in December - Steuart Corner, 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
Steuart Corner, MD

Average visibility in December - Steuart Corner, 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).

Steuart Corner, Maryland, USA

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