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's arrival aligns with a minor decrease in average high-temperatures, from November's mild 56.7°F (13.7°C) to a chilly 48.9°F (9.4°C). Throughout the month of December, Lebanon witnesses an average low-temperature of 35.2°F (1.8°C).Humidity
The months with the highest humidity in Lebanon are March and December, with an average relative humidity of 79%.Rainfall
In Lebanon, in December, during 13.3 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, there are 182.4 rainfall days, and 39.8" (1011mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.6 days. Throughout December, 0.55" (14mm) of snow is accumulated. Throughout the year, there are 16.1 snowfall days, and 3.66" (93mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:30 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:40 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. 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: In December, the average maximum UV index of 2 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much 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?
When is the sunrise / sunset in December?
How many hours of sunshine does Lebanon have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Lebanon, TN
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Lebanon, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Lebanon, TN
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in December
Lebanon, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Lebanon, TN
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Lebanon, TN
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11 days).
Average snowfall in December
Lebanon, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lebanon, TN
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (5.4 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
Lebanon, TN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Lebanon, TN
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Lebanon, TN
- 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
Lebanon, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Lebanon, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Lebanon, Tennessee, USA
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