December weather forecast
Blossom Hills, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Blossom Hills, Maryland, with an average temperature varying between 45.5°F (7.5°C) and 34.7°F (1.5°C).

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a fresh 53.8°F (12.1°C) to a frosty 45.5°F (7.5°C). Throughout December, the average low-temperature in Blossom Hills records at an icy 34.7°F (1.5°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

In Blossom Hills, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Blossom Hills, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Blossom Hills, Maryland. In Blossom Hills, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) 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 December, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

In Blossom Hills, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Boost your sun resistance with garments that are densely woven yet spacious. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the temperature in December in Blossom Hills?

The high-temperature in Blossom Hills, Maryland, during December is 45.5°F (7.5°C) and the low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 91.4°F (33°C).

What is the average humidity in December in Blossom Hills?

The average relative humidity in December is 75%.

How much does it rain in Blossom Hills in December?

In Blossom Hills, Maryland, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in Blossom Hills in December?

In December, in Blossom Hills, it is snowing for 2.4 days. Throughout December, 0.63" (16mm) of snow is accumulated.

What is the month with the shortest days in Blossom Hills?

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

How many hours of daylight does Blossom Hills have in December?

The average day length in December in Blossom Hills, Maryland, is 9h and 28min.

When are sunrise and sunset in December in Blossom Hills?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

How long on average sun shines in December in Blossom Hills?

In Blossom Hills, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Blossom Hills?

January, November 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 Blossom Hills?

The average daily maximum UV index in December in Blossom Hills, Maryland, is 2. A UV Index reading of 2, and below, represents a low health risk from 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
Blossom Hills, MD

Average temperature in December - Blossom Hills, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in December
Blossom Hills, MD

Average pressure in December - Blossom Hills, 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).

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Average wind speed in December
Blossom Hills, MD

Average wind speed in December - Blossom Hills, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Blossom Hills, MD

Average humidity in December - Blossom Hills, 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%).

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Average rainfall in December
Blossom Hills, MD

Average rainfall in December - Blossom Hills, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Blossom Hills, MD

Average rainfall days in December - Blossom Hills, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Blossom Hills, MD

Average snowfall in December - Blossom Hills, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Blossom Hills, MD

Average snowfall days in December - Blossom Hills, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Blossom Hills, MD

Average daylight in December / Average sunshine in December - Blossom Hills, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Blossom Hills, MD

Average sunshine days in December - Blossom Hills, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Blossom Hills, MD

Average UV index in December - Blossom Hills, 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).

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Average cloud cover in December
Blossom Hills, MD

Average cloud cover in December - Blossom Hills, 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).

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Average visibility in December
Blossom Hills, MD

Average visibility in December - Blossom Hills, 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).

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Blossom Hills, Maryland, USA

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