December weather forecast
Eichorn, IL

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Weather in December

The first month of the winter, December, is still a chilly month in Eichorn, Illinois, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 32.4°F (0.2°C).

Temperature

In December, the average high-temperature decreases from a cool 53.8°F (12.1°C) in November to a frosty 44.1°F (6.7°C). December sees the temperature falling to a mean low of 32.4°F (0.2°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Eichorn, during December, the rain falls for 10.3 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Eichorn, in December, during 3.6 snowfall days, 1.18" (30mm) of snow is typically accumulated. In Eichorn, during the entire year, snow falls for 17.7 days and aggregates up to 6.57" (167mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:50 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:45 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Eichorn in December?

December temperatures vary between a high-temperature of 44.1°F (6.7°C) and a low-temperature of 32.4°F (0.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 84.2°F (29°C).

What is the average humidity in December?

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

How much does it rain in December?

In Eichorn, in December, during 10.3 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Eichorn, in December, snow falls for 3.6 days, with typically accumulated 1.18" (30mm) of snow.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

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

In December, the average day length is 9h and 38min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:50 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:45 pm CST.

How long on average sun shines in December?

In Eichorn, the average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In Eichorn, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Eichorn, IL

Average temperature in December - Eichorn, 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).

Average pressure in December
Eichorn, IL

Average pressure in December - Eichorn, 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).

Average wind speed in December
Eichorn, IL

Average wind speed in December - Eichorn, 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).

Average humidity in December
Eichorn, IL

Average humidity in December - Eichorn, 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%).

Average rainfall in December
Eichorn, IL

Average rainfall in December - Eichorn, 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").

Average rainfall days in December
Eichorn, IL

Average rainfall days in December - Eichorn, 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).

Average snowfall in December
Eichorn, IL

Average snowfall in December - Eichorn, 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").

Average snowfall days in December
Eichorn, IL

Average snowfall days in December - Eichorn, 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).

Average daylight in December /
Average sunshine in December
Eichorn, IL

Average daylight in December / Average sunshine in December - Eichorn, 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).

Average sunshine days in December
Eichorn, IL

Average sunshine days in December - Eichorn, 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).

Average UV index in December
Eichorn, IL

Average UV index in December - Eichorn, 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
Eichorn, IL

Average cloud cover in December - Eichorn, 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).

Average visibility in December
Eichorn, IL

Average visibility in December - Eichorn, 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).

Eichorn, Illinois, USA

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