December weather forecast
Armstrong, VA

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Weather in December

December, the first month of the winter in Armstrong, is still a cold month, with an average temperature fluctuating between 41.9°F (5.5°C) and 28.4°F (-2°C).

Temperature

In December, the average high-temperature marginally drops from a cool 50.5°F (10.3°C) in November to a cold 41.9°F (5.5°C). In the month of December, the average temperature in Armstrong dips to a freezing cold 28.4°F (-2°C) during the night.

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

In Armstrong, in December, during 10.6 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Armstrong, Virginia, during the entire year, the rain falls for 161.8 days and collects up to 29.53" (750mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Armstrong, in December, during 7.6 snowfall days, 6.57" (167mm) of snow is typically accumulated. Throughout the year, there are 41.9 snowfall days, and 36.5" (927mm) of snow is accumulated.

Daylight

The month with the shortest days in Armstrong is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:58 pm. On the last day of December, in Armstrong, Virginia, sunrise is at 7:34 am and sunset at 5:08 pm EST.

Sunshine

In December, the average sunshine in Armstrong is 5.1h.

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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Armstrong during December?

The high-temperature, in December, in Armstrong, is 41.9°F (5.5°C), while the low-temperature averages to 28.4°F (-2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 84.2°F (29°C).

What is the most humid month in Armstrong?

The most humid month in Armstrong, Virginia, is December, with an average relative humidity of 80%.

What is the average humidity in December in Armstrong?

The average relative humidity in December in Armstrong, Virginia, is 80%.

How many days does it rain in December in Armstrong?

In December, in Armstrong, Virginia, the rain falls for 10.6 days. Throughout December, 2.76" (70mm) of precipitation is accumulated.

How much does it snow in Armstrong in December?

In December, it is snowing for 7.6 days. Throughout December, 6.57" (167mm) of snow is accumulated.

What is the month with the shortest days in Armstrong?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Armstrong have in December?

In December, the average day length in Armstrong, Virginia, is 9h and 34min.

What time are sunrise and sunset in December in Armstrong?

On the first day of December in Armstrong, Virginia, sunrise is at 7:16 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:08 pm EST.

How long on average sun shines in December in Armstrong?

The average sunshine duration in December in Armstrong is 5.1h.

What are the months with the lowest UV index in Armstrong?

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

What is the UV index reading in December in Armstrong?

In December, the average daily maximum UV index in Armstrong, Virginia, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Armstrong, VA

Average temperature in December - Armstrong, VA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 28.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Armstrong, VA

Average pressure in December - Armstrong, VA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Armstrong, VA

Average wind speed in December - Armstrong, VA
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Armstrong, VA

Average humidity in December - Armstrong, VA
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June and July (76%).

Average rainfall in December
Armstrong, VA

Average rainfall in December - Armstrong, VA
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Armstrong, VA

Average rainfall days in December - Armstrong, VA
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in December
Armstrong, VA

Average snowfall in December - Armstrong, VA
  • Average snowfall in December: 6.57"

The month with the highest snowfall is February (9.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Armstrong, VA

Average snowfall days in December - Armstrong, VA
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Armstrong, VA

Average daylight in December / Average sunshine in December - Armstrong, VA
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Armstrong, VA

Average sunshine days in December - Armstrong, VA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in December
Armstrong, VA

Average UV index in December - Armstrong, VA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Armstrong, VA

Average cloud cover in December - Armstrong, VA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and November (Cloud cover 36).

Average visibility in December
Armstrong, VA

Average visibility in December - Armstrong, VA
  • Average visibility in December: 5mi

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

Armstrong, Virginia, USA

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