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
As Lebanon enters December, the average high-temperature decreases from the a chilly 49.1°F (9.5°C) of November to a wintry 39.4°F (4.1°C). An average low-temperature of 28.6°F (-1.9°C) marks the month of December.Humidity
In Lebanon, Connecticut, the average relative humidity in December is 77%.Rainfall
The month with the most rainfall in Lebanon is December, when the rain falls for 11.5 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Lebanon, in December, snow falls for 5.5 days, with typically accumulated 2.72" (69mm) of snow. In Lebanon, during the entire year, snow falls for 31.6 days and aggregates up to 15.98" (406mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Lebanon, sunrise is at 6:56 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:28 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.7h of sunshine.UV index
January through March, 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 radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
Is December cold in Lebanon?
What is the average humidity in December in Lebanon?
What is the wettest month in Lebanon?
How much does it rain in Lebanon in December?
How many days does it snow in December in Lebanon?
What is the month with the shortest days in Lebanon?
How many hours of daylight does Lebanon have in December?
When is the sunrise / sunset in December in Lebanon?
What is the month with the least sunshine in Lebanon?
How long on average sun shines in December in Lebanon?
What is the month with the lowest UV index in Lebanon?
How high is the UV index in December in Lebanon?
Average temperature in December
Lebanon, CT
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Lebanon, CT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Lebanon, CT
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Lebanon, CT
- Average humidity in December: 77%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Lebanon, CT
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Lebanon, CT
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Lebanon, CT
- Average snowfall in December: 2.72"
The month with the highest snowfall is March (4.41").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Lebanon, CT
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Lebanon, CT
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Lebanon, CT
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Lebanon, CT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Lebanon, CT
- Average cloud cover in December: 48
The months with the most cloud cover are February, March, May and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lebanon, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Lebanon, Connecticut, USA
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