December weather forecast
West Lebanon, IN

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Weather in December

The first month of the winter, December, is also an icy month in West Lebanon, Indiana, with an average temperature fluctuating between 27.3°F (-2.6°C) and 37.6°F (3.1°C).

Temperature

Arrival of December comes with a reduction in the average high-temperature, falling from a frosty 48.7°F (9.3°C) in November to a wintry 37.6°F (3.1°C). West Lebanon reports a consistent average low-temperature of 27.3°F (-2.6°C) throughout December nights.

Humidity

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

Rainfall

In West Lebanon, in December, it is raining for 10 days, with typically 1.65" (42mm) of accumulated precipitation. In West Lebanon, during the entire year, the rain falls for 161.5 days and collects up to 27.91" (709mm) of precipitation.

Snowfall

Months with snowfall in West Lebanon are January through April, November and December. In December, in West Lebanon, Indiana, it is snowing for 8.5 days. Throughout December, 2.24" (57mm) of snow is accumulated. In West Lebanon, during the entire year, snow falls for 37.6 days and aggregates up to 10.59" (269mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of December in West Lebanon, sunrise is at 7:53 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:33 pm EST.

Sunshine

In December, the average sunshine in West Lebanon is 4.4h.

UV index

The month with the lowest UV index in West Lebanon is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

How cold is December in West Lebanon?

The high-temperature, in December, in West Lebanon, is 37.6°F (3.1°C), while the low-temperature averages to 27.3°F (-2.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in July is estimated at 87.8°F (31°C).

What is the average humidity in December in West Lebanon?

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

How many days does it rain in December in West Lebanon?

In West Lebanon, in December, during 10 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How much does it snow in West Lebanon in December?

In West Lebanon, in December, snow falls for 8.5 days, with typically accumulated 2.24" (57mm) of snow.

What is the month with the shortest days in West Lebanon?

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

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

In December, the average day length is 9h and 22min.

When is the sunrise / sunset in December in West Lebanon?

In December, on the first day of the month, sunrise is at 7:53 am and sunset at 5:24 pm. On the last day of the month, in West Lebanon, Indiana, sunrise is at 8:12 am and sunset at 5:33 pm EST.

How many hours of sunshine does West Lebanon have in December?

The average sunshine duration in December is 4.4h.

What is the month with the lowest UV index in West Lebanon?

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

How high is the UV index in December in West Lebanon?

In West Lebanon, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat 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
West Lebanon, IN

Average temperature in December - West Lebanon, IN
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in December
West Lebanon, IN

Average pressure in December - West Lebanon, IN
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
West Lebanon, IN

Average wind speed in December - West Lebanon, IN
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in December
West Lebanon, IN

Average humidity in December - West Lebanon, IN
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in December
West Lebanon, IN

Average rainfall in December - West Lebanon, IN
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in December
West Lebanon, IN

Average rainfall days in December - West Lebanon, IN
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in December
West Lebanon, IN

Average snowfall in December - West Lebanon, IN
  • Average snowfall in December: 2.24"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
West Lebanon, IN

Average snowfall days in December - West Lebanon, IN
  • Average snowfall days in December: 8.5 days

The month with the highest number of snowfall days is January (11 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
West Lebanon, IN

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
West Lebanon, IN

Average sunshine days in December - West Lebanon, IN
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).

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Average UV index in December
West Lebanon, IN

Average UV index in December - West Lebanon, IN
  • Average UV index in December: 1

The months with the highest UV index are 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
West Lebanon, IN

Average cloud cover in December - West Lebanon, IN
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).

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Average visibility in December
West Lebanon, IN

Average visibility in December - West Lebanon, IN
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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West Lebanon, Indiana, USA

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