December weather forecast
Antioch, IL

Weather in December

December, the first month of the winter in Antioch, is also a wintry month, with temperature in the range of an average low of 22.8°F (-5.1°C) and an average high of 32.5°F (0.3°C).

Temperature

In Antioch, the average high-temperature in December decreases from a frosty 44.4°F (6.9°C) in November to a cold 32.5°F (0.3°C). In Antioch, in December, the average low-temperature is 22.8°F (-5.1°C).

Humidity

In Antioch, the average relative humidity in December is 82%.

Rainfall

December is the month with the least rainfall. Rain falls for 6 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Antioch, Illinois, in December, snow falls for 7.8 days, with typically accumulated 2.28" (58mm) of snow. In Antioch, during the entire year, snow falls for 38.2 days and aggregates up to 15.59" (396mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 8min of daylight.
On the first day of December in Antioch, sunrise is at 7:02 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:29 pm CST.

Sunshine

In Antioch, the average sunshine in December is 3.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 1 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Antioch?

In Antioch, Illinois, the average relative humidity in December is 82%.

What is the driest month in Antioch?

The month with the least rainfall in Antioch, Illinois, is December, when the rain falls for 6 days and typically collects 1.06" (27mm) of precipitation.

How much does it rain in Antioch in December?

In Antioch, during December, the rain falls for 6 days and regularly aggregates up to 1.06" (27mm) of precipitation.

How many days does it snow in December in Antioch?

In Antioch, during December, snow falls for 7.8 days and regularly aggregates up to 2.28" (58mm) of snow.

What is the month with the shortest days in Antioch?

With an average of 9h and 8min of daylight, December has the shortest days of the year in Antioch, Illinois.

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

In Antioch, Illinois, the average day length in December is 9h and 8min.

What time are sunrise and sunset in December in Antioch?

On the first day of December in Antioch, sunrise is at 7:02 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:29 pm CST.

How long on average sun shines in December in Antioch?

In Antioch, the average sunshine duration in December is 3.9h.

What are the months with the lowest UV index in Antioch?

The months with the lowest UV index in Antioch are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Antioch?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat 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
Antioch, IL

Average temperature in December - Antioch, IL
  • Average high temperature in December: 32.5°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in December
Antioch, IL

Average pressure in December - Antioch, IL
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Antioch, IL

Average wind speed in December - Antioch, IL
  • Average wind speed in December: 9.6mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in December
Antioch, IL

Average humidity in December - Antioch, IL
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in December
Antioch, IL

Average rainfall in December - Antioch, IL
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").

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Average rainfall days in December
Antioch, IL

Average rainfall days in December - Antioch, IL
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in December
Antioch, IL

Average snowfall in December - Antioch, IL
  • Average snowfall in December: 2.28"

The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Antioch, IL

Average snowfall days in December - Antioch, IL
  • Average snowfall days in December: 7.8 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Antioch, IL
  • Average daylight in December: 9h and 8min

The month with the longest days is June (Average daylight: 15h and 15min).
The month with the shortest days is December (Average daylight: 9h and 8min).

  • Average sunshine in December: 3h and 54min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

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Average sunshine days in December
Antioch, IL

Average sunshine days in December - Antioch, IL
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in December
Antioch, IL

Average UV index in December - Antioch, IL
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Antioch, IL

Average cloud cover in December - Antioch, IL
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).

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Average visibility in December
Antioch, IL

Average visibility in December - Antioch, 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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