December weather forecast
Carlock, IL

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Weather in December

The first month of the winter, December, is also an icy month in Carlock, Illinois, with temperature in the range of an average low of 26.2°F (-3.2°C) and an average high of 36.5°F (2.5°C).

Temperature

In Carlock, the average high-temperature in December decreases from a frosty 47.7°F (8.7°C) in November to an icy 36.5°F (2.5°C). An average low-temperature of 26.2°F (-3.2°C) marks the nights throughout December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 7.1 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 140.6 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Carlock, in December, during 8 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, there are 35.4 snowfall days, and 9.45" (240mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:39 pm CST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Carlock?

Carlock in December has an average high-temperature of 36.5°F (2.5°C) and an average low-temperature of 26.2°F (-3.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December?

In Carlock, during December, the rain falls for 7.1 days and regularly aggregates up to 1.22" (31mm) of precipitation.

How many days does it snow in December?

In Carlock, in December, snow falls for 8 days, with typically accumulated 1.65" (42mm) of snow.

What is the month with the shortest days in Carlock?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 20min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:39 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.1h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Carlock, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Carlock, IL

Average temperature in December - Carlock, IL
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
Carlock, IL

Average pressure in December - Carlock, IL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Carlock, IL

Average wind speed in December - Carlock, IL
  • Average wind speed in December: 10.5mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Carlock, IL

Average humidity in December - Carlock, IL
  • Average humidity in December: 80%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Carlock, IL

Average rainfall in December - Carlock, IL
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in December
Carlock, IL

Average rainfall days in December - Carlock, IL
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in December
Carlock, IL

Average snowfall in December - Carlock, IL
  • Average snowfall in December: 1.65"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Carlock, IL

Average snowfall days in December - Carlock, IL
  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (11.5 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
Carlock, IL

Average daylight in December / Average sunshine in December - Carlock, IL
  • 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 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in December
Carlock, IL

Average sunshine days in December - Carlock, IL
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in December
Carlock, IL

Average UV index in December - Carlock, 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
Carlock, IL

Average cloud cover in December - Carlock, IL
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in December
Carlock, IL

Average visibility in December - Carlock, 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).

Carlock, Illinois, USA

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