December weather forecast
Zeigler, IL

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Weather in December

The first month of the winter, December, is still a chilly month in Zeigler, Illinois, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 31.5°F (-0.3°C).

Temperature

Zeigler observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 53.8°F (12.1°C) to a frosty 43.7°F (6.5°C). Zeigler's average low-temperature in December is measured at a subzero cold 31.5°F (-0.3°C).

Humidity

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

Rainfall

In December, the rain falls for 10.3 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. In Zeigler, during the entire year, the rain falls for 167.2 days and collects up to 37.68" (957mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Zeigler, in December, snow falls for 4.1 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 19.8 snowfall days, and 6.57" (167mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:47 pm CST.

Sunshine

In Zeigler, Illinois, the average sunshine in December is 4.8h.

UV index

The months with the lowest UV index in Zeigler are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Zeigler, records 43.7°F (6.5°C), while the low-temperature is 31.5°F (-0.3°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 96.8°F (36°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How much does it rain in December?

In December, the rain falls for 10.3 days. Throughout December, 2.56" (65mm) of precipitation is accumulated.

How much does it snow in December?

In Zeigler, during December, snow falls for 4.1 days and regularly aggregates up to 1.34" (34mm) 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.

How many hours of daylight does Zeigler have in December?

In December, the average day length in Zeigler is 9h and 35min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:53 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:47 pm CST.

How many hours of sunshine does Zeigler have in December?

In December, the average sunshine duration is 4.8h.

What is the month 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 December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Zeigler, IL

Average temperature in December - Zeigler, IL
  • Average high temperature in December: 43.7°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: 31.5°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 (26.1°F).

Average pressure in December
Zeigler, IL

Average pressure in December - Zeigler, 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
Zeigler, IL

Average wind speed in December - Zeigler, IL
  • Average wind speed in December: 8.9mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Zeigler, IL

Average humidity in December - Zeigler, 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
Zeigler, IL

Average rainfall in December - Zeigler, IL
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is April (4.92").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Zeigler, IL

Average rainfall days in December - Zeigler, 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 January (9.7 days).

Average snowfall in December
Zeigler, IL

Average snowfall in December - Zeigler, IL
  • Average snowfall in December: 1.34"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Zeigler, IL

Average snowfall days in December - Zeigler, IL
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (6.1 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
Zeigler, IL

Average daylight in December / Average sunshine in December - Zeigler, 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: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Zeigler, IL

Average sunshine days in December - Zeigler, IL
  • Average sunshine days in December: 17 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in December
Zeigler, IL

Average UV index in December - Zeigler, 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
Zeigler, IL

Average cloud cover in December - Zeigler, IL
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Zeigler, IL

Average visibility in December - Zeigler, 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).

Zeigler, Illinois, USA

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