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 decrease of average high-temperatures is mild in December, with a decline from a fresh 52.5°F (11.4°C) in November to a chilly 43.5°F (6.4°C). Throughout December, Knoxville experiences a low-temperature average of 31.1°F (-0.5°C).Humidity
In Knoxville, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 10.9 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, in Knoxville, there are 163.3 rainfall days, and 29.84" (758mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Knoxville. In December, it is snowing for 3.6 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, there are 20.6 snowfall days, and 12.13" (308mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of December, in Knoxville, sunrise is at 7:30 am and sunset at 4:57 pm EST.
Sunshine
In December, the average sunshine is 5.1h.UV index
January, February, November 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 minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
Is December cold in Knoxville?
What is the average humidity in December in Knoxville?
How much does it rain in Knoxville in December?
How many days does it snow in December in Knoxville?
What is the month with the shortest days in Knoxville?
What is the average length of the day in December in Knoxville?
What time are sunrise and sunset in December in Knoxville?
How long on average sun shines in December in Knoxville?
What are the months with the lowest UV index in Knoxville?
How high is the UV index in December in Knoxville?
Average temperature in December
Knoxville, MD
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Knoxville, MD
- 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
Knoxville, MD
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Knoxville, MD
- 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
Knoxville, MD
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Knoxville, MD
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Knoxville, MD
- Average snowfall in December: 2.05"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Knoxville, MD
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Knoxville, MD
- 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 February (Average sunshine: 5h and 0min).
Average sunshine days in December
Knoxville, MD
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Knoxville, MD
- 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, November and December (UV index 2).
Average cloud cover in December
Knoxville, MD
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Knoxville, MD
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, May, September, October and December (5mi).
Knoxville, Maryland, USA
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