December weather forecast
South Down Shores, MD

Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
°Celsius°Fahrenheit
Share
Contents

Weather in December

The first month of the winter, December, is also a frosty month in South Down Shores, Maryland, with an average temperature varying between 36.5°F (2.5°C) and 46°F (7.8°C).

Temperature

December heralds a minor drop in average high-temperature, sliding from November's fresh 54.5°F (12.5°C) to a frosty 46°F (7.8°C). The nighttime temperature dips to a cold 36.5°F (2.5°C) on average during December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In South Down Shores, 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 South Down Shores are January through March, November and December. In South Down Shores, during December, snow falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 8.3 snowfall days, and 1.22" (31mm) of snow is accumulated.

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, sunrise is at 7:24 am and sunset at 4:54 pm EST.

Sunshine

In South Down Shores, 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 unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for South Down Shores in December?

An average high-temperature, in December, in South Down Shores, is 46°F (7.8°C) and the average low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How much does it rain in South Down Shores in December?

In December, the rain falls for 7.4 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How many days does it snow in December?

In South Down Shores, in December, snow falls for 1.5 days, with typically accumulated 0.12" (3mm) of snow.

What is the month with the shortest days in South Down Shores?

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

What is the average length of the day in December?

In December, the average day length 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, in South Down Shores, Maryland, sunrise is at 7:24 am and sunset at 4:54 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In South Down Shores, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
54.5°F 12.5°C
46°F 7.8°C
40.3°F 4.6°C
Average low temperature
43.2°F 6.2°C
36.5°F 2.5°C
29.8°F -1.2°C
Average pressure
30.13" 765mmHg
30.11" 765mmHg
30.1" 765mmHg
Average wind speed
9.3mph 15km/h
9.3mph 15km/h
10mph 16.1km/h
Average max. wind speed
9.9mph 15.9km/h
9.9mph 15.9km/h
10.7mph 17.2km/h
Average wind speed gusts
15.2mph 24.5km/h
15.1mph 24.3km/h
16mph 25.7km/h
Average humidity
72%
75%
72%
Average rainfall
0.51" 13mm
0.67" 17mm
0.47" 12mm
Average rainfall days
5.3
7.4
6
Average snowfall
0.04" 1mm
0.12" 3mm
0.67" 17mm
Average snowfall days
0.4
1.5
2.3
Average daylight
10h 1min
9h 3min
9h 5min
Average sunshine
5h 5min
5h 1min
5h 2min
Average sunshine days
23.4
21.5
23
Average UV index
3
2
2
Average cloud cover
36%
44%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
South Down Shores, MD

Average temperature in December - South Down Shores, 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
South Down Shores, MD

Average pressure in December - South Down Shores, 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
South Down Shores, MD

Average wind speed in December - South Down Shores, 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
South Down Shores, MD

Average humidity in December - South Down Shores, 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
South Down Shores, MD

Average rainfall in December - South Down Shores, 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
South Down Shores, MD

Average rainfall days in December - South Down Shores, 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
South Down Shores, MD

Average snowfall in December - South Down Shores, 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
South Down Shores, MD

Average snowfall days in December - South Down Shores, 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
South Down Shores, MD

Average daylight in December / Average sunshine in December - South Down Shores, 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
South Down Shores, MD

Average sunshine days in December - South Down Shores, 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
South Down Shores, MD

Average UV index in December - South Down Shores, 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
South Down Shores, MD

Average cloud cover in December - South Down Shores, 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
South Down Shores, MD

Average visibility in December - South Down Shores, 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).

South Down Shores, Maryland, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

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