Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the commencement of December, Altavista records a moderate temperature decline, with the average high easing from November's mild 55.9°F (13.3°C) to a chilly 48°F (8.9°C). Altavista records an average low of 33.8°F (1°C) throughout the nights in December.Humidity
May and December, with an average relative humidity of 76%, are the most humid months in Altavista.Rainfall
In Altavista, during December, the rain falls for 10.8 days and regularly aggregates up to 2.91" (74mm) of precipitation. Throughout the year, in Altavista, there are 158 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Altavista, Virginia. In Altavista, during December, snow falls for 1.3 days and regularly aggregates up to 1.93" (49mm) of snow. In Altavista, during the entire year, snow falls for 11.7 days and aggregates up to 8.86" (225mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Altavista, sunrise is at 7:12 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:10 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Altavista.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Altavista?
What are the most humid months in Altavista?
What is the average humidity in December in Altavista?
How many days does it rain in December in Altavista?
How much does it snow in Altavista in December?
What is the month with the shortest days in Altavista?
How many hours of daylight does Altavista have in December?
When is the sunrise / sunset in December in Altavista?
What is the month with the least sunshine in Altavista?
How long on average sun shines in December in Altavista?
What is the month with the lowest UV index in Altavista?
How high is the UV index in December in Altavista?
Average temperature in December
Altavista, VA
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Altavista, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Altavista, VA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Altavista, VA
- Average humidity in December: 76%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Altavista, VA
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Altavista, VA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Altavista, VA
- Average snowfall in December: 1.93"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Altavista, VA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Altavista, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Altavista, VA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Altavista, 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 and December (UV index 2).
Average cloud cover in December
Altavista, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Altavista, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Altavista, Virginia, USA
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