December weather forecast
Red Bud, IL

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Weather in December

The first month of the winter, December, is still a chilly month in Red Bud, Illinois, with an average temperature ranging between min 31.1°F (-0.5°C) and max 43.5°F (6.4°C).

Temperature

In Red Bud, the average high-temperature in December drops from a cool 53.8°F (12.1°C) in November to a chilly 43.5°F (6.4°C). Throughout December, a steady low-temperature average of 31.1°F (-0.5°C) is noted.

Humidity

The average relative humidity in December in Red Bud is 76%.

Rainfall

In Red Bud, during December, the rain falls for 7.6 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Red Bud, during the entire year, the rain falls for 138.9 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Red Bud, Illinois. In Red Bud, in December, during 2.8 snowfall days, 1.18" (30mm) of snow is typically accumulated. In Red Bud, during the entire year, snow falls for 16.7 days and aggregates up to 6.38" (162mm) of snow.

Daylight

December has the shortest days of the year in Red Bud, Illinois, with an average of 9h and 36min of daylight.
On the first day of December in Red Bud, sunrise is at 6:58 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:50 pm CST.

Sunshine

In December, the average sunshine in Red Bud is 5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. 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 is it in Red Bud in December?

An average high-temperature, in December, in Red Bud, is 43.5°F (6.4°C) and the average low-temperature is 31.1°F (-0.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is computed to be 96.8°F (36°C).

What is the average humidity in December in Red Bud?

The average relative humidity in December is 76%.

How many days does it rain in December in Red Bud?

In December, in Red Bud, Illinois, the rain falls for 7.6 days. Throughout December, 1.81" (46mm) of precipitation is accumulated.

How many days does it snow in December in Red Bud?

In December, it is snowing for 2.8 days. Throughout December, 1.18" (30mm) of snow is accumulated.

What is the month with the shortest days in Red Bud?

The month with the shortest days in Red Bud is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Red Bud?

In December, the average day length in Red Bud is 9h and 34min.

When is the sunrise / sunset in December in Red Bud?

On the first day of December, sunrise is at 6:58 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:50 pm CST.

How long on average sun shines in December in Red Bud?

In Red Bud, the average sunshine duration in December is 5h.

When is the lowest UV index in Red Bud?

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

What is the UV index reading in December in Red Bud?

In December, the average daily maximum UV index in Red Bud, Illinois, is 2. A UV Index value of 2, and less, symbolizes 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
Red Bud, IL

Average temperature in December - Red Bud, IL
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Red Bud, IL

Average pressure in December - Red Bud, IL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Red Bud, IL

Average wind speed in December - Red Bud, IL
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Red Bud, IL

Average humidity in December - Red Bud, IL
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Red Bud, IL

Average rainfall in December - Red Bud, IL
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in December
Red Bud, IL

Average rainfall days in December - Red Bud, IL
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Red Bud, IL

Average snowfall in December - Red Bud, IL
  • Average snowfall in December: 1.18"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Red Bud, IL

Average snowfall days in December - Red Bud, IL
  • Average snowfall days in December: 2.8 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight in December /
Average sunshine in December
Red Bud, IL

Average daylight in December / Average sunshine in December - Red Bud, IL
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Red Bud, IL

Average sunshine days in December - Red Bud, IL
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in December
Red Bud, IL

Average UV index in December - Red Bud, IL
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Red Bud, IL

Average cloud cover in December - Red Bud, IL
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Red Bud, IL

Average visibility in December - Red Bud, IL
  • 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).

Red Bud, Illinois, USA

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