December weather forecast
Lebanon, OH

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Weather in December

The first month of the winter, December, is still a cold month in Lebanon, Ohio, with an average temperature ranging between min 29.5°F (-1.4°C) and max 40.5°F (4.7°C).

Temperature

A subtle decrease in the average high-temperature marks December, falling from November's cool 50.4°F (10.2°C) to a cold 40.5°F (4.7°C). Lebanon experiences an average nighttime temperature of 29.5°F (-1.4°C) in the month of December.

Humidity

In December, the average relative humidity in Lebanon is 81%.

Rainfall

In December, in Lebanon, the rain falls for 10.5 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 150.3 rainfall days, and 25" (635mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Lebanon. In December, in Lebanon, Ohio, it is snowing for 6.6 days. Throughout December, 1.61" (41mm) of snow is accumulated. Throughout the year, there are 29.8 snowfall days, and 8.66" (220mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Lebanon, Ohio.
On the first day of the month, sunrise is at 7:38 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:56 am and sunset at 5:23 pm EST.

Sunshine

In Lebanon, the average sunshine in December is 4.1h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

Is December cold in Lebanon?

In December, in Lebanon, the average high-temperature is 40.5°F (4.7°C), and the average low-temperature is 29.5°F (-1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in December in Lebanon?

The average relative humidity in December in Lebanon is 81%.

How many days does it rain in December in Lebanon?

In Lebanon, during December, the rain falls for 10.5 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How much does it snow in Lebanon in December?

In December, in Lebanon, Ohio, it is snowing for 6.6 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days in Lebanon?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Lebanon?

The average day length in December in Lebanon, Ohio, is 9h and 26min.

When is the sunrise / sunset in December in Lebanon?

In December, on the first day of the month, sunrise is at 7:38 am and sunset at 5:13 pm. On the last day of the month, in Lebanon, Ohio, sunrise is at 7:56 am and sunset at 5:23 pm EST.

How long on average sun shines in December in Lebanon?

The average sunshine duration in December in Lebanon is 4.1h.

When is the lowest UV index in Lebanon?

December is the month with the lowest UV index in Lebanon, Ohio, with an average maximum UV index of 1.

How high is the UV index in December in Lebanon?

In Lebanon, Ohio, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lebanon, OH

Average temperature in December - Lebanon, OH
  • Average high temperature in December: 40.5°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 (34.7°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in December
Lebanon, OH

Average pressure in December - Lebanon, OH
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Lebanon, OH

Average wind speed in December - Lebanon, OH
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
Lebanon, OH

Average humidity in December - Lebanon, OH
  • Average humidity in December: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Lebanon, OH

Average rainfall in December - Lebanon, OH
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in December
Lebanon, OH

Average rainfall days in December - Lebanon, OH
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8 days).

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Average snowfall in December
Lebanon, OH

Average snowfall in December - Lebanon, OH
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Lebanon, OH

Average snowfall days in December - Lebanon, OH
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Lebanon, OH

Average daylight in December / Average sunshine in December - Lebanon, OH
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Lebanon, OH

Average sunshine days in December - Lebanon, OH
  • Average sunshine days in December: 14.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in December
Lebanon, OH

Average UV index in December - Lebanon, OH
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Lebanon, OH

Average cloud cover in December - Lebanon, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Lebanon, OH

Average visibility in December - Lebanon, OH
  • 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).

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Lebanon, Ohio, USA

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