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Weather in Joliet, Illinois for December 2026

Your guide to Joliet weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 4 snowy days, Joliet usually enjoys a light touch of snow in December.

    • Temperatures

  • In general, the average temperature in Joliet at the beginning of December is 1.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 4.6 °C by the end of December.

    • More

  • Is December a good time to visit Joliet? check out the best time to travel to Joliet page.

  • ✨ Is December a good time to visit Joliet? – Ask the AI Weatherman

Average dry days
22
Dry days
Average rainy days
5
Rainy days
Average snowy days
4
Snow days
Average temperatures
3°/-2°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Joliet Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Heavy rain
1°
2
Patchy rain possible
0°
3
Light rain
2°
4
Overcast
0°
5
Light snow
0°
6
Overcast
1°
7
Light snow
6°
8
Patchy rain possible
4°
9
Overcast
6°
10
Light rain
1°
11
Sunny
0°
12
Light snow
-2°
13
Light snow
0°
14
Light snow
0°
15
Light rain
2°
16
Light rain
4°
17
Fog
3°
18
Cloudy
3°
19
Overcast
-2°
20
Overcast
3°
21
Partly cloudy
2°
22
Light rain
3°
23
Fog
5°
24
Freezing fog
5°
25
Light rain
5°
26
Patchy rain possible
5°
27
Patchy rain possible
5°
28
Moderate rain
10°
29
Light drizzle
3°
30
Overcast
3°
31
Light snow
1°

Temperatures trend during December in Joliet

See the weather trend as well as the moving average line

December weather in Joliet day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Heavy rain
Heavy rain
 1° /-6° 10.9 mm 3.8 cm
Dec. 2 Patchy rain possible
Patchy rain possible
 0° /-4° 1.3 mm 0.3 cm
Dec. 3 Light rain
Light rain
 2° /-3° 6.1 mm 1.9 cm
Dec. 4 Overcast
Overcast
 0° /-5° 0 mm 0 cm
Dec. 5 Light snow
Light snow
 0° /-8° 1.6 mm 0.6 cm
Dec. 6 Overcast
Overcast
 1° /-4° 0 mm 0 cm
Dec. 7 Light snow
Light snow
 6° /-3° 6.2 mm 3.8 cm
Dec. 8 Patchy rain possible
Patchy rain possible
 4° /-1° 0 mm 0 cm
Dec. 9 Overcast
Overcast
 6° /-1° 0.1 mm 0 cm
Dec. 10 Light rain
Light rain
 1° /-1° 2.8 mm 0 cm
Dec. 11 Sunny
Sunny
 0° /-5° 0.9 mm 0.6 cm
Dec. 12 Light snow
Light snow
 -2° /-5° 3.2 mm 2.3 cm
Dec. 13 Light snow
Light snow
 0° /-8° 4.3 mm 3.1 cm
Dec. 14 Light snow
Light snow
 0° /-6° 5.5 mm 0 cm
Dec. 15 Light rain
Light rain
 2° /-4° 4.8 mm 0 cm
Dec. 16 Light rain
Light rain
 4° /-1° 4.3 mm 0 cm
Dec. 17 Fog
Fog
 3° /1° 0.1 mm 0 cm
Dec. 18 Cloudy
Cloudy
 3° /-2° 0 mm 0 cm
Dec. 19 Overcast
Overcast
 -2° /-6° 0 mm 0 cm
Dec. 20 Overcast
Overcast
 3° /-3° 0 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 2° /-3° 0.1 mm 0 cm
Dec. 22 Light rain
Light rain
 3° /0° 4.1 mm 0 cm
Dec. 23 Fog
Fog
 5° /1° 0.5 mm 0 cm
Dec. 24 Freezing fog
Freezing fog
 5° /2° 0 mm 0 cm
Dec. 25 Light rain
Light rain
 5° /3° 2.2 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 5° /1° 1.1 mm 0.3 cm
Dec. 27 Patchy rain possible
Patchy rain possible
 5° /1° 1.4 mm 0 cm
Dec. 28 Moderate rain
Moderate rain
 10° /4° 10.7 mm 0 cm
Dec. 29 Light drizzle
Light drizzle
 3° /-1° 0.8 mm 0 cm
Dec. 30 Overcast
Overcast
 3° /-2° 0 mm 0 cm
Dec. 31 Light snow
Light snow
 1° /-2° 8.5 mm 2.4 cm
Next
Important Notice
Our weather forecast for Joliet in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Joliet forecast closer to your planned date for the most up-to-date weather information.
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Joliet in December - FAQ

What are the expected maximum and minimum temperatures in Joliet during December?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Joliet during December?
Moderate rainfall is anticipated in Joliet during December, with a total of 81.4 mm spread over approximately 5 days. Considering plans for rainy days is advisable.

Will it snow in Joliet in December 2026?
Joliet experiences an average snowfall of 19.2 cm during December, occurring over 4 days.

What are the typical wind conditions in Joliet during December?
The average wind speed in Joliet during December is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Joliet snow forecast December 2026

Track daily snowfall levels and discover Joliet’s snowy potential this December ❄️
On average, Joliet sees 4 snowy days during December, with approximately 19.2 cm of total snowfall.

December rainfall patterns in Joliet

Explore the daily rainfall trends and prepare for Joliets December weather 💧
Typically, Joliet has 5 rainy days in December with a total of 81.4 mm of rainfall.
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Location coordinates Where is Joliet?

Get accurate weather forecasts for Joliet, located at latitude 41.525 and longitude -88.083. Stay updated with localized weather information tailored for Joliet.

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