December weather forecast
Loch Lomond, VA

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Weather in December

The first month of the winter, December, is also a frosty month in Loch Lomond, Virginia, with an average temperature varying between 45.7°F (7.6°C) and 32.4°F (0.2°C).

Temperature

December's arrival subtly correlates with a reduction in the average high-temperature, down from a fresh 54.5°F (12.5°C) in November to a frosty 45.7°F (7.6°C). In the month of December, Loch Lomond's average low-temperature falls to an icy 32.4°F (0.2°C).

Humidity

The most humid month in Loch Lomond is December, with an average relative humidity of 78%.

Rainfall

In Loch Lomond, during December, the rain falls for 10.3 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Loch Lomond, Virginia. In Loch Lomond, in December, during 2.5 snowfall days, 1.61" (41mm) of snow is typically accumulated. In Loch Lomond, during the entire year, snow falls for 15.8 days and aggregates up to 11.5" (292mm) of snow.

Daylight

December has the shortest days of the year in Loch Lomond, Virginia, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:48 pm. On the last day of December, in Loch Lomond, sunrise is at 7:28 am and sunset at 4:58 pm EST.

Sunshine

January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine.

UV index

January, February, November 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 the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Loch Lomond?

The average high-temperature, in December, in Loch Lomond, is 45.7°F (7.6°C), while the average low-temperature is 32.4°F (0.2°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 96.8°F (36°C).

What is the most humid month in Loch Lomond?

With an average relative humidity of 78%, December is the most humid month in Loch Lomond, Virginia.

What is the average humidity in December in Loch Lomond?

The average relative humidity in December in Loch Lomond, Virginia, is 78%.

How much does it rain in Loch Lomond in December?

In December, the rain falls for 10.3 days. Throughout December, 2.56" (65mm) of precipitation is accumulated.

How many days does it snow in December in Loch Lomond?

In December, it is snowing for 2.5 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days in Loch Lomond?

December has the shortest days of the year in Loch Lomond, Virginia, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Loch Lomond?

In December, the average day length is 9h and 31min.

When are sunrise and sunset in December in Loch Lomond?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:48 pm. On the last day of the month, in Loch Lomond, Virginia, sunrise is at 7:28 am and sunset at 4:58 pm EST.

What is the month with the least sunshine in Loch Lomond?

January, February and December, with an average of 5.2h of sunshine, are months with the least sunshine in Loch Lomond, Virginia.

How long on average sun shines in December in Loch Lomond?

The average sunshine duration in December in Loch Lomond, Virginia, is 5.2h.

What is the month with the lowest UV index in Loch Lomond?

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

How high is the UV index in December in Loch Lomond?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Loch Lomond, VA

Average temperature in December - Loch Lomond, VA
  • Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in December
Loch Lomond, VA

Average pressure in December - Loch Lomond, VA
  • 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 (29.95"Hg).

Average wind speed in December
Loch Lomond, VA

Average wind speed in December - Loch Lomond, VA
  • Average wind speed in December: 6mph

The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Loch Lomond, VA

Average humidity in December - Loch Lomond, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in December
Loch Lomond, VA

Average rainfall in December - Loch Lomond, VA
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Loch Lomond, VA

Average rainfall days in December - Loch Lomond, VA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
Loch Lomond, VA

Average snowfall in December - Loch Lomond, VA
  • Average snowfall in December: 1.61"

The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Loch Lomond, VA

Average snowfall days in December - Loch Lomond, VA
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (5.2 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
Loch Lomond, VA

Average daylight in December / Average sunshine in December - Loch Lomond, VA
  • Average daylight in December: 9h and 3min

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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).

Average sunshine days in December
Loch Lomond, VA

Average sunshine days in December - Loch Lomond, VA
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in December
Loch Lomond, VA

Average UV index in December - Loch Lomond, VA
  • 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
Loch Lomond, VA

Average cloud cover in December - Loch Lomond, VA
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Loch Lomond, VA

Average visibility in December - Loch Lomond, VA
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).

Loch Lomond, Virginia, USA

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