December weather forecastSaint Michaels, MD

December

Weather in December

December, the first month of the winter in Saint Michaels, is still a chilly month, with an average temperature fluctuating between 36.5°F (2.5°C) and 46.2°F (7.9°C).

Temperature

December implies a soft temperature shift, with average high-temperatures reducing from November's fresh 54.5°F (12.5°C) to a frosty 46.2°F (7.9°C). During the month of December, the temperature generally drops to a low average of 36.5°F (2.5°C).

Humidity

In Saint Michaels, the average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 11.1 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. In Saint Michaels, during the entire year, the rain falls for 157 days and collects up to 32.91" (836mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 1.6 days. Throughout December, 0.67" (17mm) of snow is accumulated. In Saint Michaels, during the entire year, snow falls for 9.8 days and aggregates up to 3.82" (97mm) of snow.

Ocean temperature

In December, the average ocean temperature is 51.6°F (10.9°C).
Note: It is life-risking to swim in 51.6°F (10.9°C). Briefly staying in 55.4°F (13°C) waters feels unsettling, and temperatures below 50°F (10°C) might result in cold shock and loss of breath control, hinging on personal endurance.

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 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December is 5.3h.

UV index

January 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 vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

Updated: Jul 2, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December temperatures vary between a high-temperature of 46.2°F (7.9°C) and a low-temperature of 36.5°F (2.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

In December, the average relative humidity is 76%.

In Saint Michaels, in December, it is raining for 11.1 days, with typically 2.91" (74mm) of accumulated precipitation.

In Saint Michaels, in December, snow falls for 1.6 days, with typically accumulated 0.67" (17mm) of snow.

In December, the average ocean temperature is 51.6°F (10.9°C). Swimming in 51.6°F (10.9°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In Saint Michaels, Maryland, the average day length in December is 9h and 31min.

On the first day of December, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:53 pm EST.

In December, the average sunshine duration is 5.3h.

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

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

54.5°F

46.2°F

40.5°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.1mph

10mph

10.8mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.3

1.6

3.2

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

19.7

17.7

18.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Saint Michaels, MD

Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).

Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in December
Saint Michaels, 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
Saint Michaels, MD

Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Saint Michaels, MD

Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in December
Saint Michaels, MD

Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in December
Saint Michaels, MD

Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).

Average snowfall in December
Saint Michaels, MD

Average snowfall in December: 0.67"

The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Saint Michaels, MD

Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December
Saint Michaels, MD

Average sea temperature in December: 51.7°F

The best month for swimming (with the highest average sea temperature) is August (77.8°F).
The coldest month (with the lowest average sea temperature) is February (45.1°F).

Average daylight in December /
Average sunshine in December
Saint Michaels, MD

Average daylight in December: 9h and 30min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in December: 5h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in December
Saint Michaels, MD

Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).

Average UV index in December
Saint Michaels, 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 and December (UV index 2).

Average cloud cover in December
Saint Michaels, MD

Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Saint Michaels, 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).