December weather forecast
Saltworks on the Severn, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Saltworks on the Severn, 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

In the transition to December, Saltworks on the Severn observes a minor drop in the average high-temperature, shifting from a cool 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). During December nights, Saltworks on the Severn witnesses a consistent average temperature of 36.5°F (2.5°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Saltworks on the Severn, Maryland, in December, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Saltworks on the Severn, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Saltworks on the Severn, in December, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Saltworks on the Severn, 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, 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 Saltworks on the Severn, 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Saltworks on the Severn?

During December, Saltworks on the Severn experiences an average high-temperature of 46°F (7.8°C) and a low-temperature of 36.5°F (2.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

In Saltworks on the Severn, in December, it is raining for 7.4 days, with typically 0.67" (17mm) of accumulated precipitation.

How many days does it snow in December?

In Saltworks on the Severn, 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?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Saltworks on the Severn have in December?

In Saltworks on the Severn, the average day length in December is 9h and 29min.

When are sunrise and sunset in December in Saltworks on the Severn?

On the first day of December, 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 Saltworks on the Severn have in December?

The average sunshine duration in December is 5.2h.

What are the months with the lowest UV index?

January, February 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 December, the average daily maximum UV index is 2. A UV Index estimate 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
Saltworks on the Severn, MD

Average temperature in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average pressure in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average wind speed in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average humidity in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average rainfall in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average rainfall days in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average snowfall in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average snowfall days in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average daylight in December / Average sunshine in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average sunshine days in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average UV index in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average cloud cover in December - Saltworks on the Severn, 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
Saltworks on the Severn, MD

Average visibility in December - Saltworks on the Severn, 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).

Saltworks on the Severn, Maryland, USA

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