December weather forecast
South Lebanon, NY

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Weather in December

The first month of the winter, December, is still a cold month in South Lebanon, New York, with an average temperature fluctuating between 32.9°F (0.5°C) and 23.2°F (-4.9°C).

Temperature

A shift in South Lebanon's weather is observed as November turns into December, with the average high temperature reducing from a chilly 43.2°F (6.2°C) to a wintry 32.9°F (0.5°C). An average low-temperature of 23.2°F (-4.9°C) is common during the nights of December.

Humidity

The average relative humidity in December is 87%.

Rainfall

In South Lebanon, during December, the rain falls for 11.7 days and regularly aggregates up to 2.8" (71mm) of precipitation. In South Lebanon, during the entire year, the rain falls for 171.6 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in South Lebanon. In December, in South Lebanon, it is snowing for 17.2 days. Throughout December, 8.7" (221mm) of snow is accumulated. In South Lebanon, during the entire year, snow falls for 90.9 days and aggregates up to 44.8" (1138mm) of snow.

Daylight

The month with the shortest days in South Lebanon, New York, is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:29 pm. On the last day of December, in South Lebanon, sunrise is at 7:33 am and sunset at 4:38 pm EST.

Sunshine

The average sunshine in December is 2.9h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in South Lebanon. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 1 during December translates into the following directions:
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. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

How cold is December in South Lebanon?

South Lebanon in December has an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 23.2°F (-4.9°C).

What is the average humidity in December in South Lebanon?

In December, the average relative humidity in South Lebanon, New York, is 87%.

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

In December, the rain falls for 11.7 days. Throughout December, 2.8" (71mm) of precipitation is accumulated.

How many days does it snow in December in South Lebanon?

In South Lebanon, in December, snow falls for 17.2 days, with typically accumulated 8.7" (221mm) of snow.

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

The month with the shortest days is December, with an average of 9h and 6min of daylight.

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

The average day length in December is 9h and 6min.

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

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:38 pm EST.

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

In December, the average sunshine duration is 2.9h.

What are the months with the lowest UV index in South Lebanon?

The months with the lowest UV index in South Lebanon are January, February, November and December, with an average maximum UV index of 1.

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

In South Lebanon, New York, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
South Lebanon, NY

Average temperature in December - South Lebanon, NY
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in December
South Lebanon, NY

Average pressure in December - South Lebanon, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
South Lebanon, NY

Average wind speed in December - South Lebanon, NY
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
South Lebanon, NY

Average humidity in December - South Lebanon, NY
  • Average humidity in December: 87%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).

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Average rainfall in December
South Lebanon, NY

Average rainfall in December - South Lebanon, NY
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (2.28").

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Average rainfall days in December
South Lebanon, NY

Average rainfall days in December - South Lebanon, NY
  • Average rainfall days in December: 11.7 days

The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is February (8.2 days).

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Average snowfall in December
South Lebanon, NY

Average snowfall in December - South Lebanon, NY
  • Average snowfall in December: 8.7"

The month with the highest snowfall is February (9.57").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
South Lebanon, NY

Average snowfall days in December - South Lebanon, NY
  • Average snowfall days in December: 17.2 days

The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
South Lebanon, NY

Average daylight in December / Average sunshine in December - South Lebanon, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

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Average sunshine days in December
South Lebanon, NY

Average sunshine days in December - South Lebanon, NY
  • Average sunshine days in December: 7.5 days

The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (4.6 days).

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Average UV index in December
South Lebanon, NY

Average UV index in December - South Lebanon, NY
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in December
South Lebanon, NY

Average cloud cover in December - South Lebanon, NY
  • Average cloud cover in December: 71

The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in December
South Lebanon, NY

Average visibility in December - South Lebanon, NY
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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South Lebanon, New York, USA

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