December weather forecast
Loch Lynn Heights, MD

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Weather in December

The first month of the winter, December, is still a cold month in Loch Lynn Heights, Maryland, with an average temperature fluctuating between 38.3°F (3.5°C) and 26.8°F (-2.9°C).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 46.9°F (8.3°C) to an icy 38.3°F (3.5°C). Loch Lynn Heights's temperature in December lowers to a consistent average of 26.8°F (-2.9°C) during the nights.

Humidity

In Loch Lynn Heights, Maryland, the average relative humidity in December is 84%.

Rainfall

In December, the rain falls for 12.3 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. In Loch Lynn Heights, during the entire year, the rain falls for 185.9 days and collects up to 35.16" (893mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Loch Lynn Heights. In Loch Lynn Heights, during December, snow falls for 13 days and regularly aggregates up to 6.22" (158mm) of snow. Throughout the year, there are 64.2 snowfall days, and 35.2" (894mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:04 pm EST.

Sunshine

In Loch Lynn Heights, the average sunshine in December is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Loch Lynn Heights, Maryland. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Loch Lynn Heights in December?

In December, the average high-temperature and low-temperature in Loch Lynn Heights are 38.3°F (3.5°C) and 26.8°F (-2.9°C) respectively.

What is the average humidity in December in Loch Lynn Heights?

In December, the average relative humidity is 84%.

How much does it rain in Loch Lynn Heights in December?

In December, in Loch Lynn Heights, the rain falls for 12.3 days. Throughout December, 3.11" (79mm) of precipitation is accumulated.

How many days does it snow in December in Loch Lynn Heights?

In Loch Lynn Heights, in December, during 13 snowfall days, 6.22" (158mm) of snow is typically accumulated.

What is the month with the shortest days in Loch Lynn Heights?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Loch Lynn Heights have in December?

The average day length in December is 9h and 27min.

What time are sunrise and sunset in December in Loch Lynn Heights?

On the first day of December in Loch Lynn Heights, sunrise is at 7:19 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:04 pm EST.

How long on average sun shines in December in Loch Lynn Heights?

In Loch Lynn Heights, Maryland, the average sunshine duration in December is 3.8h.

What is the month with the lowest UV index in Loch Lynn Heights?

December is the month with the lowest UV index in Loch Lynn Heights, with an average maximum UV index of 1.

What is the UV index reading in December in Loch Lynn Heights?

The average daily maximum UV index in December in Loch Lynn Heights is 1. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Loch Lynn Heights, MD

Average temperature in December - Loch Lynn Heights, MD
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 26.8°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

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Average pressure in December
Loch Lynn Heights, MD

Average pressure in December - Loch Lynn Heights, MD
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Loch Lynn Heights, MD

Average wind speed in December - Loch Lynn Heights, MD
  • Average wind speed in December: 8.2mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Loch Lynn Heights, MD

Average humidity in December - Loch Lynn Heights, MD
  • Average humidity in December: 84%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

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Average rainfall in December
Loch Lynn Heights, MD

Average rainfall in December - Loch Lynn Heights, MD
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in December
Loch Lynn Heights, MD

Average rainfall days in December - Loch Lynn Heights, MD
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in December
Loch Lynn Heights, MD

Average snowfall in December - Loch Lynn Heights, MD
  • Average snowfall in December: 6.22"

The month with the highest snowfall is February (7.6").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Loch Lynn Heights, MD

Average snowfall days in December - Loch Lynn Heights, MD
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Loch Lynn Heights, MD

Average daylight in December / Average sunshine in December - Loch Lynn Heights, 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: 3h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in December
Loch Lynn Heights, MD

Average sunshine days in December - Loch Lynn Heights, MD
  • Average sunshine days in December: 11.2 days

The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is May (6.9 days).

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Average UV index in December
Loch Lynn Heights, MD

Average UV index in December - Loch Lynn Heights, MD
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Loch Lynn Heights, MD

Average cloud cover in December - Loch Lynn Heights, MD
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in December
Loch Lynn Heights, MD

Average visibility in December - Loch Lynn Heights, MD
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).

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Loch Lynn Heights, Maryland, USA

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