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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a fresh 54°F (12.2°C) to a frosty 45.1°F (7.3°C). Bias reports a consistent average low-temperature of 33.1°F (0.6°C) throughout December nights.Humidity
In December, the average relative humidity is 80%.Rainfall
In Bias, in December, it is raining for 11 days, with typically 2.91" (74mm) of accumulated precipitation. Throughout the year, in Bias, there are 163.6 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bias. In December, in Bias, it is snowing for 6 days. Throughout December, 3.9" (99mm) of snow is accumulated. In Bias, during the entire year, snow falls for 32.9 days and aggregates up to 16.81" (427mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:25 am and sunset at 5:10 pm. On the last day of December, in Bias, sunrise is at 7:43 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in December is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Bias. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What are the temperatures in Bias in December?
What is the average humidity in December in Bias?
How much does it rain in Bias in December?
How much does it snow in Bias in December?
What is the month with the shortest days in Bias?
How many hours of daylight does Bias have in December?
What time are sunrise and sunset in December in Bias?
How long on average sun shines in December in Bias?
When is the lowest UV index in Bias?
How high is the UV index in December in Bias?
Average temperature in December
Bias, WV
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Bias, WV
- 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 (29.98"Hg).
Average wind speed in December
Bias, WV
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Bias, WV
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).
Average rainfall in December
Bias, WV
- Average rainfall in December: 2.91"
The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Bias, WV
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Bias, WV
- Average snowfall in December: 3.9"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bias, WV
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bias, WV
- 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 36min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Bias, WV
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Bias, WV
- Average UV index in December: 2
The months with the highest UV index are June 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
Bias, WV
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bias, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Bias, West Virginia, USA
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