Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With December's arrival, Antioch sees a decrease in average high-temperatures, moving from a chilly 44.4°F (6.9°C) in November to a wintry 32.5°F (0.3°C). During December, Antioch's temperature averages to a subzero cold 22.8°F (-5.1°C) at night.Humidity
In December, the average relative humidity is 82%.Rainfall
The month with the least rainfall in Antioch is December, when the rain falls for 6 days and typically collects 1.06" (27mm) of precipitation.Snowfall
Months with snowfall in Antioch are January through May, October through December. In December, it is snowing for 7.8 days. Throughout December, 2.28" (58mm) of snow is accumulated. Throughout the year, in Antioch, there are 38.2 snowfall days, and 15.59" (396mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine in Antioch is 3.9h.UV index
The months with the lowest UV index in Antioch, Illinois, are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is December in Antioch?
What is the average humidity in December in Antioch?
What is the driest month in Antioch?
How much does it rain in Antioch in December?
How many days does it snow in December in Antioch?
What is the month with the shortest days in Antioch?
What is the average length of the day in December in Antioch?
What time are sunrise and sunset in December in Antioch?
How long on average sun shines in December in Antioch?
When is the lowest UV index in Antioch?
How high is the UV index in December in Antioch?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Antioch, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 5min
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).
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).
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).
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).
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).
Antioch, Illinois, USA
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