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Weather in Joliet, Illinois for December 2025

Your guide to Joliet weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Joliet usually enjoys a light touch of snow in December.
    According to Joliet snow forecast for December 2025, 7 snowy days are expected until the end of the month. The closest date with snow is Thursday, December 18.

    • Temperatures

  • Until now, December 2025 in Joliet is cooler than usual, with temperatures averaging -1.1 °F, this is -2.7 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Joliet with the forecast suggesting a temperature of 0.1 °F, lower than the historical average.

  • In general, the average temperature in Joliet at the beginning of December is 1.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.1 °F by the end of December.

    • Rain 🌧️

  • The climate of Joliet in December is notably wet, with an average of 11 rainy days, and a total of 71.2 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
18
Dry days
Average rainy days
11
Rainy days
Average snowy days
2
Snow days
Average temperatures
4°/-1°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
77 %
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
2°
2
Patchy rain possible
0°
3
Light rain
2°
4
Overcast
-0°
5
Moderate snow
0°
6
Overcast
1°
7
Partly cloudy
6°
8
Patchy rain possible
4°
9
Overcast
6°
10
Overcast
2°
11
Sunny
0°
12
Overcast
-2°
13
Partly cloudy
-0°
14
Sunny
0°
15
Sunny
-2°
16
Mist
4°
17
Overcast
-1°
18
Moderate rain
10°
19
Partly cloudy
-6°
20
Moderate snow
4°
21
Sunny
-3°
22
Partly cloudy
1°
23
Sunny
7°
24
Partly cloudy
2°
25
Light freezing rain
-1°
26
Light freezing rain
-2°
27
Cloudy
-9°
28
Light freezing rain
-2°
29
Light drizzle
6°
30
Overcast
6°
31
Moderate 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
 2° /-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° /-4° 6.1 mm 1.9 cm
Dec. 4 Overcast
Overcast
 0° /-6° 0 mm 0 cm
Dec. 5 Moderate snow
Moderate snow
 0° /-8° 1.6 mm 0.6 cm
Dec. 6 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Dec. 7 Partly cloudy
Partly cloudy
 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 Overcast
Overcast
 2° /-2° 2.8 mm 0 cm
Dec. 11 Sunny
Sunny
 0° /-5° 0.9 mm 0.6 cm
Dec. 12 Overcast
Overcast
 -2° /-6° 3.2 mm 2.3 cm
Dec. 13 Partly cloudy
Partly cloudy
 0° /-9° 4.3 mm 3.1 cm
Dec. 14 Sunny
Sunny
 0° /-7° 5.5 mm 0 cm
Dec. 15 Sunny
Sunny
 -2° /-18° 0 mm 0 cm
Dec. 16 Mist
Mist
 4° /-9° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 -1° /-2° 0 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
 10° /-6° 8.6 mm 0.1 cm
Dec. 19 Partly cloudy
Partly cloudy
 -6° /-11° 0 mm 0 cm
Dec. 20 Moderate snow
Moderate snow
 4° /-4° 1.1 mm 0.8 cm
Dec. 21 Sunny
Sunny
 -3° /-8° 0.1 mm 0.1 cm
Dec. 22 Partly cloudy
Partly cloudy
 1° /-9° 0 mm 0 cm
Dec. 23 Sunny
Sunny
 7° /1° 0 mm 0 cm
Dec. 24 Partly cloudy
Partly cloudy
 2° /-4° 0 mm 0 cm
Dec. 25 Light freezing rain
Light freezing rain
 -1° /-6° 0.5 mm 0.4 cm
Dec. 26 Light freezing rain
Light freezing rain
 -2° /-10° 0.3 mm 0.2 cm
Dec. 27 Cloudy
Cloudy
 -9° /-13° 0 mm 0 cm
Dec. 28 Light freezing rain
Light freezing rain
 -2° /-10° 0.5 mm 0.3 cm
Dec. 29 Light drizzle
Light drizzle
 6° /3° 1.2 mm 0 cm
Dec. 30 Overcast
Overcast
 6° /2° 0 mm 0 cm
Dec. 31 Moderate snow
Moderate snow
 1° /-1° 12.7 mm 3.5 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 4° 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 71.2 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
Will it snow in Joliet in December 2025?
Joliet experiences an average snowfall of 4.525 cm during December, occurring over 2 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 2025

Track daily snowfall levels and discover Joliet’s snowy potential this December ❄️
On average, Joliet sees 2 snowy days during December, with approximately 4.5 cm of total snowfall.

December rainfall patterns in Joliet

Explore the daily rainfall trends and prepare for Joliets December weather 💧
Typically, Joliet has 11 rainy days in December with a total of 71.2 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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