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 transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 46°F (7.8°C) from November's fresh 54.5°F (12.5°C). During December, the temperature in Summersville is averaged to a low of 33.8°F (1°C) at night.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Summersville, during December, the rain falls for 12.8 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Summersville, during the entire year, the rain falls for 172.3 days and collects up to 36.93" (938mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Summersville. In Summersville, in December, during 4.9 snowfall days, 1.02" (26mm) of snow is typically accumulated. In Summersville, during the entire year, snow falls for 25.1 days and aggregates up to 7.6" (193mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December in Summersville, sunrise is at 6:38 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:34 pm CST.
Sunshine
In December, the average sunshine is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the temperature in December in Summersville?
What is the most humid month in Summersville?
What is the average humidity in December in Summersville?
How much does it rain in Summersville in December?
How many days does it snow in December in Summersville?
What is the month with the shortest days in Summersville?
How many hours of daylight does Summersville have in December?
When are sunrise and sunset in December in Summersville?
How many hours of sunshine does Summersville have in December?
When is the lowest UV index in Summersville?
What is the UV index reading in December in Summersville?
Average temperature in December
Summersville, KY
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Summersville, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Summersville, KY
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Summersville, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Summersville, KY
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Summersville, KY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Summersville, KY
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Summersville, KY
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Summersville, KY
- 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Summersville, KY
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Summersville, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July 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
Summersville, KY
- Average cloud cover in December: 54
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Summersville, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Summersville, Kentucky, USA
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