December weather forecast
Fulton, MD

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Weather in December

December, the first month of the winter in Fulton, is also a frosty month, with an average temperature varying between 45.3°F (7.4°C) and 33.1°F (0.6°C).

Temperature

December ushers in a minor alteration in Fulton's climate, with the average high-temperature moving from November's fresh 53.2°F (11.8°C) to a chilly 45.3°F (7.4°C). In Fulton, the expected average low-temperature for December is a wintry 33.1°F (0.6°C).

Humidity

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

Rainfall

In December, the rain falls for 9.9 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 155.7 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Fulton, during December, snow falls for 3.5 days and regularly aggregates up to 1.38" (35mm) of snow. In Fulton, during the entire year, snow falls for 17.8 days and aggregates up to 9.21" (234mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Fulton.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The average high-temperature and low-temperature during December are 45.3°F (7.4°C) and 33.1°F (0.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 93.2°F (34°C).

What are the most humid months?

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

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In Fulton, during December, the rain falls for 9.9 days and regularly aggregates up to 2.56" (65mm) of precipitation.

How many days does it snow in December?

In Fulton, in December, snow falls for 3.5 days, with typically accumulated 1.38" (35mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Fulton have in December?

In December, the average day length is 9h and 28min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm EST.

How many hours of sunshine does Fulton have in December?

The average sunshine duration in December is 5.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Fulton, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Fulton, MD

Average temperature in December - Fulton, MD
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in December
Fulton, MD

Average pressure in December - Fulton, 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).

Average wind speed in December
Fulton, MD

Average wind speed in December - Fulton, 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 (5.2mph).

Average humidity in December
Fulton, MD

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

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Fulton, MD

Average rainfall in December - Fulton, MD
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is August (4.02").
The driest months (with the least rainfall) are January and February (2.01").

Average rainfall days in December
Fulton, MD

Average rainfall days in December - Fulton, MD
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9 days).

Average snowfall in December
Fulton, MD

Average snowfall in December - Fulton, MD
  • Average snowfall in December: 1.38"

The month with the highest snowfall is March (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Fulton, MD

Average snowfall days in December - Fulton, MD
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (5.4 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
Fulton, MD

Average daylight in December / Average sunshine in December - Fulton, 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
Fulton, MD

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

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in December
Fulton, MD

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

Average cloud cover in December
Fulton, MD

Average cloud cover in December - Fulton, MD
  • Average cloud cover in December: 46

The months with the most cloud cover are March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Fulton, MD

Average visibility in December - Fulton, 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).

Fulton, Maryland, USA

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