Naperville
December
Weather in Naperville for December 2025
Your guide to Naperville weather in December - trends and predictions
With an average of 2 snowy days, Naperville usually enjoys a light touch of snow in December.
In general, the average temperature in Naperville at the beginning of December is 2 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 5.7 °F by the end of December.
Naperville experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 54.7 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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21
Dry days
8
Rainy days
2
Snow days
5°/0°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
Naperville in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  2° | 2  0° | 3  2° | 4  2° | 5  0° | 6 1° | |
| 7  7° | 8  6° | 9  8° | 10  1° | 11  1° | 12 -2° | 13  1° |
| 14 5° | 15 5° | 16 5° | 17 5° | 18  2° | 19  0° | 20 3° |
| 21 3° | 22 3° | 23 6° | 24 7° | 25 7° | 26 7° | 27 6° |
| 28 7° | 29 6° | 30 6° | 31 1° |
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Temperatures trend during December in Naperville
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 | 2° /-5° | 7.4 mm | 0 cm | |
| Dec. 2 | Fog | 0° /-3° | 0.7 mm | 0 cm | |
| Dec. 3 | Light sleet | 2° /-3° | 4.2 mm | 0 cm | |
| Dec. 4 | Freezing fog | 2° /-2° | 0 mm | 0 cm | |
| Dec. 5 | Moderate snow | 0° /-6° | 2.8 mm | 1.1 cm | |
| Dec. 6 | Mist | 1° /-5° | 0 mm | 0 cm | |
| Dec. 7 | Cloudy | 7° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Patchy rain possible | 6° /1° | 0.1 mm | 0 cm | |
| Dec. 9 | Light drizzle | 8° /1° | 0.9 mm | 0 cm | |
| Dec. 10 | Light freezing rain | 1° /-2° | 0 mm | 0 cm | |
| Dec. 11 | Sunny | 1° /-5° | 0 mm | 0 cm | |
| Dec. 12 | Cloudy | -2° /-7° | 0 mm | 0 cm | |
| Dec. 13 | Partly cloudy | 1° /-7° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | 5° /-2° | 7.8 mm | 0 cm | |
| Dec. 15 | Partly cloudy | 5° /0° | 8.6 mm | 0 cm | |
| Dec. 16 | Light rain | 5° /2° | 5.7 mm | 0 cm | |
| Dec. 17 | Fog | 5° /1° | 0.1 mm | 0 cm | |
| Dec. 18 | Light snow showers | 2° /-3° | 2.4 mm | 1.7 cm | |
| Dec. 19 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Dec. 21 | Patchy rain possible | 3° /-3° | 0.1 mm | 0 cm | |
| Dec. 22 | Light rain | 3° /-1° | 6.6 mm | 0 cm | |
| Dec. 23 | Fog | 6° /1° | 1.1 mm | 0 cm | |
| Dec. 24 | Mist | 7° /3° | 0 mm | 0 cm | |
| Dec. 25 | Light rain | 7° /4° | 3.2 mm | 0 cm | |
| Dec. 26 | Patchy rain possible | 7° /1° | 0 mm | 0 cm | |
| Dec. 27 | Overcast | 6° /2° | 2.2 mm | 0 cm | |
| Dec. 28 | Light drizzle | 7° /4° | 7.8 mm | 0 cm | |
| Dec. 29 | Light drizzle | 6° /3° | 0.9 mm | 0 cm | |
| Dec. 30 | Overcast | 6° /1° | 0 mm | 0 cm | |
| Dec. 31 | Moderate snow | 1° /-1° | 15.8 mm | 7.6 cm | |
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Important Notice
Our weather forecast for Naperville 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 Naperville forecast closer to your planned date for the most up-to-date weather information.
Naperville in December - FAQ
What are the expected maximum and minimum temperatures in Naperville 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 Naperville during December?
Moderate rainfall is anticipated in Naperville during December, with a total of 54.7 mm spread over approximately 8 days. Considering plans for rainy days is advisable.
Will it snow in Naperville in December 2025?
Naperville experiences an average snowfall of 1.45 cm during December, occurring over 2 days.
What are the typical wind conditions in Naperville during December?
The average wind speed in Naperville during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Naperville snow forecast December 2025
Track daily snowfall levels and discover Naperville’s snowy potential this December ❄️
December rainfall patterns in Naperville
Explore the daily rainfall trends and prepare for Napervilles December weather 💧
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