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
December reveals a small adjustment in temperature, transitioning from an average high of a cool 50.5°F (10.3°C) in November to a frosty 42.8°F (6°C). During December, Layland's temperature averages to a freezing cold 30.2°F (-1°C) at night.Humidity
In December, the average relative humidity is 82%.Rainfall
In Layland, during December, the rain falls for 13.1 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 173.9 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Layland, in December, snow falls for 10.5 days, with typically accumulated 3.19" (81mm) of snow. Throughout the year, there are 52.4 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December in Layland, sunrise is at 7:21 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:14 pm EST.
Sunshine
The average sunshine in December in Layland is 4.4h.UV index
The months with the lowest UV index in Layland are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
Is December cold in Layland?
What is the average humidity in December in Layland?
How many days does it rain in December in Layland?
How much does it snow in Layland in December?
What is the month with the shortest days in Layland?
What is the average length of the day in December in Layland?
When are sunrise and sunset in December in Layland?
How long on average sun shines in December in Layland?
What is the month with the lowest UV index in Layland?
How high is the UV index in December in Layland?
Average temperature in December
Layland, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Layland, 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
Layland, WV
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Layland, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in December
Layland, WV
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in December
Layland, WV
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Layland, WV
- Average snowfall in December: 3.19"
The months with the highest snowfall are January and March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Layland, WV
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Layland, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Layland, WV
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in December
Layland, WV
- Average UV index in December: 2
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Layland, WV
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Layland, WV
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January and September (4mi).
Layland, West Virginia, USA
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