December weather forecast
Carrier Mills, IL

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Weather in December

The first month of the winter, December, is still a chilly month in Carrier Mills, Illinois, with an average temperature fluctuating between 44.1°F (6.7°C) and 32.4°F (0.2°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a fresh 53.8°F (12.1°C) in November to a chilly 44.1°F (6.7°C). Carrier Mills's nights in December experience an average temperature drop to an icy 32.4°F (0.2°C).

Humidity

In Carrier Mills, the average relative humidity in December is 78%.

Rainfall

In Carrier Mills, in December, during 10.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, in Carrier Mills, there are 158.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Carrier Mills are January through April, October through December. In Carrier Mills, in December, during 3.6 snowfall days, 1.18" (30mm) of snow is typically accumulated. Throughout the year, there are 17.7 snowfall days, and 6.57" (167mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December in Carrier Mills, sunrise is at 6:51 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:46 pm CST.

Sunshine

In December, the average sunshine in Carrier Mills is 4.7h.

UV index

The months with the lowest UV index in Carrier Mills are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is December in Carrier Mills?

The high-temperature in Carrier Mills, Illinois, during December is 44.1°F (6.7°C) and the low-temperature is 32.4°F (0.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 84.2°F (29°C).

What is the average humidity in December in Carrier Mills?

The average relative humidity in December is 78%.

How many days does it rain in December in Carrier Mills?

In Carrier Mills, Illinois, in December, it is raining for 10.3 days, with typically 2.8" (71mm) of accumulated precipitation.

How many days does it snow in December in Carrier Mills?

In Carrier Mills, during December, snow falls for 3.6 days and regularly aggregates up to 1.18" (30mm) of snow.

What is the month with the shortest days in Carrier Mills?

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

How many hours of daylight does Carrier Mills have in December?

In December, the average day length in Carrier Mills is 9h and 37min.

When are sunrise and sunset in December in Carrier Mills?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:46 pm CST.

How many hours of sunshine does Carrier Mills have in December?

The average sunshine duration in December in Carrier Mills is 4.7h.

What is the month with the lowest UV index in Carrier Mills?

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

How high is the UV index in December in Carrier Mills?

The average daily maximum UV index in December is 2. 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
Carrier Mills, IL

Average temperature in December - Carrier Mills, IL
  • Average high temperature in December: 44.1°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 (39.7°F).

  • Average low temperature in December: 32.4°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 (26.2°F).

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Average pressure in December
Carrier Mills, IL

Average pressure in December - Carrier Mills, IL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Carrier Mills, IL

Average wind speed in December - Carrier Mills, IL
  • Average wind speed in December: 8.8mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Carrier Mills, IL

Average humidity in December - Carrier Mills, IL
  • Average humidity in December: 78%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Carrier Mills, IL

Average rainfall in December - Carrier Mills, IL
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in December
Carrier Mills, IL

Average rainfall days in December - Carrier Mills, IL
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in December
Carrier Mills, IL

Average snowfall in December - Carrier Mills, IL
  • Average snowfall in December: 1.18"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Carrier Mills, IL

Average snowfall days in December - Carrier Mills, IL
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (5.3 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
Carrier Mills, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 4min

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 36min).

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Average sunshine days in December
Carrier Mills, IL

Average sunshine days in December - Carrier Mills, IL
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in December
Carrier Mills, IL

Average UV index in December - Carrier Mills, 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).

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Average cloud cover in December
Carrier Mills, IL

Average cloud cover in December - Carrier Mills, IL
  • Average cloud cover in December: 50

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

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Average visibility in December
Carrier Mills, IL

Average visibility in December - Carrier Mills, 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).

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Carrier Mills, Illinois, USA

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