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Weather in DuPage County, Illinois for December 2025

Your guide to DuPage County weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, DuPage County usually enjoys a light touch of snow in December.
    According to DuPage County 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 DuPage County is cooler than usual, with temperatures averaging -1.5 °F, this is -2.7 °F below the typical seasonal average.

  • Expect cooler weather in the next days in DuPage County with the forecast suggesting a temperature of -0.6 °F, lower than the historical average.

  • In general, the average temperature in DuPage County at the beginning of December is 1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of -0.6 °F by the end of December.

    • Rain 🌧️

  • The climate of DuPage County in December is notably wet, with an average of 11 rainy days, and a total of 78.4 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
11
Rainy days
Average snowy days
3
Snow days
Average temperatures
3°/-1°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
78 %
Avg humidity

DuPage County Weather December

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

Temperatures trend during December in DuPage County

See the weather trend as well as the moving average line

December weather in DuPage County 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° 9.3 mm 3.1 cm
Dec. 2 Fog
Fog
 0° /-4° 0.8 mm 0.3 cm
Dec. 3 Light sleet
Light sleet
 1° /-4° 5.2 mm 1.8 cm
Dec. 4 Freezing fog
Freezing fog
 -1° /-6° 0 mm 0 cm
Dec. 5 Moderate snow
Moderate snow
 0° /-8° 1.9 mm 0.7 cm
Dec. 6 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Dec. 7 Cloudy
Cloudy
 5° /-3° 5 mm 3 cm
Dec. 8 Patchy rain possible
Patchy rain possible
 3° /-1° 0 mm 0 cm
Dec. 9 Overcast
Overcast
 6° /-1° 0.6 mm 0 cm
Dec. 10 Overcast
Overcast
 2° /-2° 3.1 mm 0 cm
Dec. 11 Sunny
Sunny
 0° /-6° 0.9 mm 0.7 cm
Dec. 12 Cloudy
Cloudy
 -1° /-6° 2.5 mm 1.8 cm
Dec. 13 Partly cloudy
Partly cloudy
 -1° /-9° 3.2 mm 2.3 cm
Dec. 14 Sunny
Sunny
 0° /-7° 5.2 mm 0 cm
Dec. 15 Sunny
Sunny
 -3° /-18° 0 mm 0 cm
Dec. 16 Mist
Mist
 2° /-9° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 -1° /-2° 0 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
 10° /-7° 12.2 mm 0.3 cm
Dec. 19 Partly cloudy
Partly cloudy
 -7° /-12° 0 mm 0 cm
Dec. 20 Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-4° 1.5 mm 1.1 cm
Dec. 21 Light freezing rain
Light freezing rain
 -4° /-9° 0.2 mm 0.1 cm
Dec. 22 Partly cloudy
Partly cloudy
 1° /-10° 0 mm 0 cm
Dec. 23 Partly cloudy
Partly cloudy
 6° /1° 0 mm 0 cm
Dec. 24 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Dec. 25 Light freezing rain
Light freezing rain
 -2° /-8° 0.4 mm 0.3 cm
Dec. 26 Light freezing rain
Light freezing rain
 -3° /-11° 0.2 mm 0.2 cm
Dec. 27 Partly cloudy
Partly cloudy
 -9° /-13° 0 mm 0 cm
Dec. 28 Light freezing rain
Light freezing rain
 -3° /-10° 0.4 mm 0.3 cm
Dec. 29 Light drizzle
Light drizzle
 6° /3° 0.9 mm 0 cm
Dec. 30 Overcast
Overcast
 6° /1° 0 mm 0 cm
Dec. 31 Moderate snow
Moderate snow
 1° /-1° 15.8 mm 7.6 cm
Next
Important Notice
Our weather forecast for DuPage 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 DuPage County forecast closer to your planned date for the most up-to-date weather information.
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DuPage County in December - FAQ

What are the expected maximum and minimum temperatures in DuPage County 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 DuPage County during December?
Moderate rainfall is anticipated in DuPage County during December, with a total of 78.4 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
Will it snow in DuPage County in December 2025?
DuPage County experiences an average snowfall of 10.39 cm during December, occurring over 3 days.
What are the typical wind conditions in DuPage County during December?
The average wind speed in DuPage County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

DuPage County snow forecast December 2025

Track daily snowfall levels and discover DuPage County’s snowy potential this December ❄️
On average, DuPage County sees 3 snowy days during December, with approximately 10.4 cm of total snowfall.

December rainfall patterns in DuPage County

Explore the daily rainfall trends and prepare for DuPage Countys December weather 💧
Typically, DuPage County has 11 rainy days in December with a total of 78.4 mm of rainfall.
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Location coordinates Where is DuPage County?

Get accurate weather forecasts for DuPage County, located at latitude 41.786 and longitude -88.147. Stay updated with localized weather information tailored for DuPage County.

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