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
As Byron, Virginia, enters December, the average high-temperature subtly lowers from the a cool 51.3°F (10.7°C) of November to a chilly 43.5°F (6.4°C). Byron observes an average nighttime temperature of 30.2°F (-1°C) during December.Humidity
In Byron, the average relative humidity in December is 80%.Rainfall
In Byron, in December, during 11.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 174.7 rainfall days, and 29.96" (761mm) of precipitation is accumulated.Snowfall
Months with snowfall in Byron are January through May, October through December. The month with the most snowfall is December, when snow falls for 9.5 days and typically aggregates up to 6.18" (157mm) of snow.Daylight
The month with the shortest days in Byron is December, with an average of 9h and 42min of daylight.On the first day of December in Byron, sunrise is at 7:20 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:17 pm EST.
Sunshine
In Byron, Virginia, the average sunshine in December is 4.9h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Byron?
What is the average humidity in December in Byron?
How much does it rain in Byron in December?
When does it snow the most in Byron?
How many days does it snow in December in Byron?
What is the month with the shortest days in Byron?
What is the average length of the day in December in Byron?
What time are sunrise and sunset in December in Byron?
How long on average sun shines in December in Byron?
What is the month with the lowest UV index in Byron?
What is the UV index intensity in December in Byron?
Average temperature in December
Byron, VA
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 30.2°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 (23.7°F).
Average pressure in December
Byron, VA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Byron, VA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Byron, VA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in December
Byron, VA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Byron, VA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).
Average snowfall in December
Byron, VA
- Average snowfall in December: 6.18"
The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Byron, VA
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Byron, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Byron, VA
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).
Average UV index in December
Byron, VA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Byron, VA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Byron, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Byron, Virginia, USA
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