December weather forecast
The Hemlocks, MD

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Weather in December

The first month of the winter, December, is still a chilly month in The Hemlocks, Maryland, with an average temperature ranging between max 43.2°F (6.2°C) and min 31.3°F (-0.4°C).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's cool 52.2°F (11.2°C) to a frosty 43.2°F (6.2°C). An average nighttime temperature of 31.3°F (-0.4°C) is noted during the month of December.

Humidity

The average relative humidity in December is 78%.

Rainfall

In The Hemlocks, in December, during 9.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In The Hemlocks, Maryland, during the entire year, the rain falls for 130.3 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 2.5 days. Throughout December, 0.47" (12mm) of snow is accumulated. In The Hemlocks, during the entire year, snow falls for 16 days and aggregates up to 4.13" (105mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

How cold does it get in The Hemlocks in December?

During December, The Hemlocks experiences an average high-temperature of 43.2°F (6.2°C) and a low-temperature of 31.3°F (-0.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How much does it rain in December?

In The Hemlocks, during December, the rain falls for 9.1 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in December?

In The Hemlocks, in December, during 2.5 snowfall days, 0.47" (12mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December in The Hemlocks?

In December, the average day length is 9h and 27min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:54 pm EST.

How long on average sun shines in December?

In The Hemlocks, the average sunshine duration in December is 5h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
The Hemlocks, MD

Average temperature in December - The Hemlocks, MD
  • Average high temperature in December: 43.2°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 (37.6°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
The Hemlocks, MD

Average pressure in December - The Hemlocks, 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
The Hemlocks, MD

Average wind speed in December - The Hemlocks, MD
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
The Hemlocks, MD

Average humidity in December - The Hemlocks, MD
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).

Average rainfall in December
The Hemlocks, MD

Average rainfall in December - The Hemlocks, MD
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in December
The Hemlocks, MD

Average rainfall days in December - The Hemlocks, MD
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in December
The Hemlocks, MD

Average snowfall in December - The Hemlocks, MD
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
The Hemlocks, MD

Average snowfall days in December - The Hemlocks, MD
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4.9 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
The Hemlocks, MD

Average daylight in December / Average sunshine in December - The Hemlocks, MD
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
The Hemlocks, MD

Average sunshine days in December - The Hemlocks, MD
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in December
The Hemlocks, MD

Average UV index in December - The Hemlocks, 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
The Hemlocks, MD

Average cloud cover in December - The Hemlocks, MD
  • Average cloud cover in December: 46

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
The Hemlocks, MD

Average visibility in December - The Hemlocks, 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).

The Hemlocks, Maryland, USA

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