Will County (Joliet)
December
Weather in Will County for December 2025
Your guide to Will County weather in December - trends and predictions
With an average of 2 snowy days, Will County usually enjoys a light touch of snow in December.
In general, the average temperature in Will County at the beginning of December is 3.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 5.9 °F by the end of December.
Will County experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 56.8 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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20
Dry days
9
Rainy days
2
Snow days
5°/0°
Temperatures
20 km/h
Avg max wind
73 %
Avg humidity
Will County in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  3° | 2  1° | 3  3° | 4  3° | 5  1° | 6 2° | |
| 7  9° | 8 7° | 9 8° | 10  1° | 11  1° | 12 -3° | 13 1° |
| 14 5° | 15 5° | 16 6° | 17  5° | 18  3° | 19 0° | 20 4° |
| 21 4° | 22 4° | 23 7° | 24 7° | 25 7° | 26 7° | 27 6° |
| 28 8° | 29 6° | 30 6° | 31 1° |
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Temperatures trend during December in Will County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Heavy rain | 3° /-4° | 8.4 mm | 0 cm | |
| Dec. 2 | Patchy rain possible | 1° /-3° | 1.2 mm | 0 cm | |
| Dec. 3 | Light rain | 3° /-3° | 5.3 mm | 0 cm | |
| Dec. 4 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 5 | Moderate snow | 1° /-6° | 2.4 mm | 1 cm | |
| Dec. 6 | Overcast | 2° /-5° | 0 mm | 0 cm | |
| Dec. 7 | Partly cloudy | 9° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Patchy rain possible | 7° /2° | 0.1 mm | 0 cm | |
| Dec. 9 | Patchy rain possible | 8° /1° | 0.1 mm | 0 cm | |
| Dec. 10 | Light freezing rain | 1° /-2° | 0 mm | 0 cm | |
| Dec. 11 | Sunny | 1° /-4° | 0 mm | 0 cm | |
| Dec. 12 | Overcast | -3° /-7° | 0 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 1° /-7° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | 5° /-2° | 8.2 mm | 0 cm | |
| Dec. 15 | Partly cloudy | 5° /0° | 7.3 mm | 0 cm | |
| Dec. 16 | Light rain | 6° /2° | 6.5 mm | 0 cm | |
| Dec. 17 | Fog | 5° /1° | 0.1 mm | 0 cm | |
| Dec. 18 | Light snow | 3° /-3° | 0 mm | 0 cm | |
| Dec. 19 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 4° /-2° | 0 mm | 0 cm | |
| Dec. 21 | Patchy rain possible | 4° /-2° | 0.1 mm | 0 cm | |
| Dec. 22 | Light rain | 4° /0° | 6.2 mm | 0 cm | |
| Dec. 23 | Fog | 7° /2° | 0.8 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 7° /3° | 0 mm | 0 cm | |
| Dec. 25 | Light rain | 7° /4° | 3.3 mm | 0 cm | |
| Dec. 26 | Patchy rain possible | 7° /1° | 0 mm | 0 cm | |
| Dec. 27 | Overcast | 6° /1° | 2 mm | 0 cm | |
| Dec. 28 | Light drizzle | 8° /4° | 5.2 mm | 0 cm | |
| Dec. 29 | Light drizzle | 6° /3° | 1.2 mm | 0 cm | |
| Dec. 30 | Overcast | 6° /2° | 0 mm | 0 cm | |
| Dec. 31 | Moderate snow | 1° /-1° | 12.7 mm | 3.5 cm | |
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Important Notice
Our weather forecast for Will County 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 Will County forecast closer to your planned date for the most up-to-date weather information.
Will County in December - FAQ
What are the expected maximum and minimum temperatures in Will County during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Will County during December?
Moderate rainfall is anticipated in Will County during December, with a total of 56.8 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
Will it snow in Will County in December 2025?
Will County experiences an average snowfall of 1.205 cm during December, occurring over 2 days.
What are the typical wind conditions in Will County during December?
The average wind speed in Will County during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Will County snow forecast December 2025
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December rainfall patterns in Will County
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Where is Will County?Get accurate weather forecasts for Will County, located at latitude 41.525 and longitude -88.083. Stay updated with localized weather information tailored for Will County.
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