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
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 46.9°F (8.3°C) to a wintry 38.3°F (3.5°C). Shafer's nights in December experience an average temperature drop to a freezing cold 26.1°F (-3.3°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, the rain falls for 13.8 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. In Shafer, during the entire year, the rain falls for 192.7 days and collects up to 37.13" (943mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Shafer, during December, snow falls for 15.5 days and regularly aggregates up to 8.98" (228mm) of snow. In Shafer, West Virginia, during the entire year, snow falls for 81 days and aggregates up to 52.36" (1330mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:05 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Shafer have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Shafer, WV
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Shafer, WV
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Shafer, WV
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Shafer, WV
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in December
Shafer, WV
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Shafer, WV
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Shafer, WV
- Average snowfall in December: 8.98"
The month with the highest snowfall is January (11.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shafer, WV
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shafer, WV
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Shafer, WV
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is October (12.5 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in December
Shafer, WV
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Shafer, WV
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Shafer, WV
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
Shafer, West Virginia, USA
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