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
The onset of December is marked by a decrease in temperature, transitioning from a cool 50.9°F (10.5°C) in November to an icy 41.5°F (5.3°C). Throughout December, Kirby experiences a low-temperature average of 29.1°F (-1.6°C).Humidity
In December, the average relative humidity in Kirby is 78%.Rainfall
In Kirby, in December, it is raining for 11.5 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, in Kirby, there are 166 rainfall days, and 25.83" (656mm) of precipitation is accumulated.Snowfall
Months with snowfall in Kirby are January through May, October through December. In Kirby, during December, snow falls for 5.9 days and regularly aggregates up to 2.24" (57mm) of snow. In Kirby, during the entire year, snow falls for 31.2 days and aggregates up to 16.5" (419mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:02 pm EST.
Sunshine
January and December, with an average of 5.1h of sunshine, are months with the least sunshine in Kirby.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Kirby. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
Is it cold in Kirby during December?
What is the average humidity in December in Kirby?
How many days does it rain in December in Kirby?
How much does it snow in Kirby in December?
What is the month with the shortest days in Kirby?
What is the average length of the day in December in Kirby?
When is the sunrise / sunset in December in Kirby?
What is the month with the least sunshine in Kirby?
How long on average sun shines in December in Kirby?
When is the lowest UV index in Kirby?
What is the UV index reading in December in Kirby?
Average temperature in December
Kirby, WV
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Kirby, WV
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Kirby, WV
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Kirby, WV
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Kirby, WV
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").
Average rainfall days in December
Kirby, WV
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Kirby, WV
- Average snowfall in December: 2.24"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Kirby, WV
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Kirby, 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Kirby, WV
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Kirby, WV
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Kirby, WV
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Kirby, WV
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
Kirby, West Virginia, USA
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