December weather forecast
Mount Auburn, IL

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Weather in December

December, the first month of the winter in Mount Auburn, is also an icy month, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 38.7°F (3.7°C).

Temperature

Mount Auburn's transition into December involves a shift in temperature, receding from a fresh 50.2°F (10.1°C) in November to a wintry 38.7°F (3.7°C). December generally records an average low-temperature of 28.2°F (-2.1°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.14" (29mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Mount Auburn, Illinois, during December, snow falls for 6.5 days and regularly aggregates up to 1.06" (27mm) of snow. Throughout the year, in Mount Auburn, there are 27.9 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

The month with the shortest days in Mount Auburn is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Mount Auburn in December?

The average high-temperature, in December, in Mount Auburn, is 38.7°F (3.7°C), while the average low-temperature is 28.2°F (-2.1°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in December in Mount Auburn?

In December, the average relative humidity in Mount Auburn, Illinois, is 78%.

What is the driest month in Mount Auburn?

December is the month with the least rainfall in Mount Auburn, Illinois. Rain falls for 7.5 days and accumulates 1.14" (29mm) of precipitation.

How many days does it rain in December in Mount Auburn?

In Mount Auburn, in December, it is raining for 7.5 days, with typically 1.14" (29mm) of accumulated precipitation.

How much does it snow in Mount Auburn in December?

In Mount Auburn, Illinois, in December, during 6.5 snowfall days, 1.06" (27mm) of snow is typically accumulated.

What is the month with the shortest days in Mount Auburn?

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 Mount Auburn?

The average day length in December in Mount Auburn, Illinois, is 9h and 25min.

When is the sunrise / sunset in December in Mount Auburn?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:33 pm. On the last day of the month, in Mount Auburn, sunrise is at 7:18 am and sunset at 4:42 pm CST.

How long on average sun shines in December in Mount Auburn?

The average sunshine duration in December in Mount Auburn, Illinois, is 4.7h.

What are the months with the lowest UV index in Mount Auburn?

The months with the lowest UV index in Mount Auburn are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Mount Auburn?

In December, the average daily maximum UV index in Mount Auburn is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Mount Auburn, IL

Average temperature in December - Mount Auburn, IL
  • Average high temperature in December: 38.7°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

Average pressure in December
Mount Auburn, IL

Average pressure in December - Mount Auburn, IL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Mount Auburn, IL

Average wind speed in December - Mount Auburn, IL
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Mount Auburn, IL

Average humidity in December - Mount Auburn, IL
  • Average humidity in December: 78%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Mount Auburn, IL

Average rainfall in December - Mount Auburn, IL
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is December (1.14").

Average rainfall days in December
Mount Auburn, IL

Average rainfall days in December - Mount Auburn, IL
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in December
Mount Auburn, IL

Average snowfall in December - Mount Auburn, IL
  • Average snowfall in December: 1.06"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Mount Auburn, IL

Average snowfall days in December - Mount Auburn, IL
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (8.3 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
Mount Auburn, IL

Average daylight in December / Average sunshine in December - Mount Auburn, IL
  • 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Mount Auburn, IL

Average sunshine days in December - Mount Auburn, IL
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (11 days).

Average UV index in December
Mount Auburn, IL

Average UV index in December - Mount Auburn, IL
  • 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, November and December (UV index 2).

Average cloud cover in December
Mount Auburn, IL

Average cloud cover in December - Mount Auburn, IL
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Mount Auburn, IL

Average visibility in December - Mount Auburn, IL
  • 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).

Mount Auburn, Illinois, USA

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