December weather forecastArmstrong, VA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 36min
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 6min
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: 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: 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: 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: 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).
