December weather forecast
Carthage, IL

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Weather in December

The first month of the winter, December, is still a cold month in Carthage, Illinois, with an average temperature ranging between max 37.2°F (2.9°C) and min 25.7°F (-3.5°C).

Temperature

Carthage observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 49.1°F (9.5°C) to an icy 37.2°F (2.9°C). Carthage experiences an average temperature drop to a freezing cold 25.7°F (-3.5°C) during December nights.

Humidity

The average relative humidity in December in Carthage is 79%.

Rainfall

In Carthage, in December, it is raining for 5.6 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Carthage, Illinois, there are 128.2 rainfall days, and 20.08" (510mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Carthage. In Carthage, during December, snow falls for 4.9 days and regularly aggregates up to 1.06" (27mm) of snow. In Carthage, during the entire year, snow falls for 25.4 days and aggregates up to 7.09" (180mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Carthage.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:38 pm. On the last day of December, in Carthage, sunrise is at 7:27 am and sunset at 4:48 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

In Carthage, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

How cold is it in Carthage in December?

Carthage in December has an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 25.7°F (-3.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 89.6°F (32°C).

What is the average humidity in December in Carthage?

In Carthage, Illinois, the average relative humidity in December is 79%.

How many days does it rain in December in Carthage?

In Carthage, in December, it is raining for 5.6 days, with typically 0.94" (24mm) of accumulated precipitation.

How much does it snow in Carthage in December?

In December, it is snowing for 4.9 days. Throughout December, 1.06" (27mm) of snow is accumulated.

What is the month with the shortest days in Carthage?

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

What is the average length of the day in December in Carthage?

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

What time are sunrise and sunset in December in Carthage?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:38 pm. On the last day of the month, in Carthage, sunrise is at 7:27 am and sunset at 4:48 pm CST.

How long on average sun shines in December in Carthage?

The average sunshine duration in December is 4.7h.

What is the UV index reading in December in Carthage?

The average daily maximum UV index in December in Carthage, Illinois, is 2. A UV Index value of 2, and less, symbolizes a low health risk from 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
Carthage, IL

Average temperature in December - Carthage, IL
  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in December
Carthage, IL

Average pressure in December - Carthage, 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 (29.9"Hg).

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Average wind speed in December
Carthage, IL

Average wind speed in December - Carthage, IL
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in December
Carthage, IL

Average humidity in December - Carthage, IL
  • Average humidity in December: 79%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Carthage, IL

Average rainfall in December - Carthage, IL
  • Average rainfall in December: 0.94"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in December
Carthage, IL

Average rainfall days in December - Carthage, IL
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).

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Average snowfall in December
Carthage, IL

Average snowfall in December - Carthage, IL
  • Average snowfall in December: 1.06"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Carthage, IL

Average snowfall days in December - Carthage, IL
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (8.2 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
Carthage, IL

Average daylight in December / Average sunshine in December - Carthage, 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 4min

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

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Average sunshine days in December
Carthage, IL

Average sunshine days in December - Carthage, 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 June (11.6 days).

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Average UV index in December
Carthage, IL

Average UV index in December - Carthage, IL
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in December
Carthage, IL

Average cloud cover in December - Carthage, IL
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).

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Average visibility in December
Carthage, IL

Average visibility in December - Carthage, 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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Carthage, Illinois, USA

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