December weather forecast
Sycamore Acres, MD

Share

Weather in December

December, the first month of the winter in Sycamore Acres, is also a frosty month, with an average temperature fluctuating between 45.3°F (7.4°C) and 32.9°F (0.5°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a fresh 53.4°F (11.9°C) in November to a frosty 45.3°F (7.4°C). Sycamore Acres experiences a mean temperature of 32.9°F (0.5°C) during December nights.

Humidity

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

Rainfall

In Sycamore Acres, during December, the rain falls for 10.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in Sycamore Acres, there are 160.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 2.9 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Sycamore Acres, during the entire year, snow falls for 17.1 days and aggregates up to 10.2" (259mm) 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 the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December is 5.1h.

UV index

January, 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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jun 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sycamore Acres in December?

The average high-temperature and low-temperature during December are 45.3°F (7.4°C) and 32.9°F (0.5°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the most humid month?

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

What is the average humidity in December?

In Sycamore Acres, the average relative humidity in December is 76%.

How many days does it rain in December?

In Sycamore Acres, in December, during 10.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

How much does it snow in December?

In Sycamore Acres, Maryland, in December, during 2.9 snowfall days, 1.38" (35mm) of snow is typically accumulated.

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.

How many hours of daylight does Sycamore Acres have in December?

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

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:55 pm EST.

How many hours of sunshine does Sycamore Acres have in December?

In December, the average sunshine duration is 5.1h.

When is the lowest UV index?

The months with the lowest UV index are January, November 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 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
Sycamore Acres, MD

Average temperature in December - Sycamore Acres, 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: 32.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Sycamore Acres, MD

Average pressure in December - Sycamore Acres, 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 (29.95"Hg).

Average wind speed in December
Sycamore Acres, MD

Average wind speed in December - Sycamore Acres, MD
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Sycamore Acres, MD

Average humidity in December - Sycamore Acres, 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
Sycamore Acres, MD

Average rainfall in December - Sycamore Acres, MD
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in December
Sycamore Acres, MD

Average rainfall days in December - Sycamore Acres, MD
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Sycamore Acres, MD

Average snowfall in December - Sycamore Acres, MD
  • Average snowfall in December: 1.38"

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Sycamore Acres, MD

Average snowfall days in December - Sycamore Acres, MD
  • Average snowfall days in December: 2.9 days

The months with the highest number of snowfall days are January and February (5.1 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
Sycamore Acres, MD

Average daylight in December / Average sunshine in December - Sycamore Acres, 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
Sycamore Acres, MD

Average sunshine days in December - Sycamore Acres, MD
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

Average UV index in December
Sycamore Acres, MD

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

Average cloud cover in December
Sycamore Acres, MD

Average cloud cover in December - Sycamore Acres, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Sycamore Acres, MD

Average visibility in December - Sycamore Acres, MD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Sycamore Acres, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location