December weather forecast
Steuart Corner, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Steuart Corner, Maryland, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 46°F (7.8°C).

Temperature

The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a cool 54.5°F (12.5°C) to a frosty 46°F (7.8°C). An average minimum temperature of 36.5°F (2.5°C) marks the month of December in Steuart Corner.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Steuart Corner, in December, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Steuart Corner, 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, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Steuart Corner, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) 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 Steuart Corner, 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 Steuart Corner, the average sunshine in December is 5.2h.

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. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 2 in December translates into these instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are December temperatures in Steuart Corner?

The average high-temperature and low-temperature during December are 46°F (7.8°C) and 36.5°F (2.5°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in December in Steuart Corner?

In December, the average relative humidity in Steuart Corner, Maryland, is 75%.

How many days does it rain in December in Steuart Corner?

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

How much does it snow in Steuart Corner 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 in Steuart Corner?

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 December, the average day length in Steuart Corner, Maryland, is 9h and 29min.

When are sunrise and sunset in December in Steuart Corner?

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?

The average sunshine duration in December in Steuart Corner is 5.2h.

What is the month with the lowest UV index in Steuart Corner?

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

What is the UV index intensity in December in Steuart Corner?

In December, the average daily maximum UV index in Steuart Corner is 2. A UV Index reading of 2, and below, represents a low health risk 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Steuart Corner, Maryland, USA

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