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 modest decline in the average high-temperature is seen during December, decreasing from a fresh 50.4°F (10.2°C) in November to a cold 41.7°F (5.4°C). The average temperature drops to a freezing cold 29.7°F (-1.3°C) during the night in the month of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Triune, in December, during 13.5 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 182.4 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.2 days. Throughout December, 5.28" (134mm) of snow is accumulated. In Triune, during the entire year, snow falls for 58.4 days and aggregates up to 29.09" (739mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:21 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during 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?
What is the average length of the day in December in Triune?
When are sunrise and sunset in December?
How many hours of sunshine does Triune have in December?
When is the lowest UV index in Triune?
What is the UV index reading in December?
Average temperature in December
Triune, WV
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Triune, 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
Triune, WV
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Triune, WV
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in December
Triune, WV
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Triune, WV
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in December
Triune, WV
- Average snowfall in December: 5.28"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Triune, WV
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Triune, WV
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Triune, WV
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in December
Triune, WV
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Triune, WV
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Triune, WV
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Triune, West Virginia, USA
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