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United States weather

Weather in Naperville, Illinois for December 2026

Your guide to Naperville weather in December - trends and predictions

    Snow Forecast ❄️

  • Naperville typically experiences moderate snowfall in December, with an average of 10 snowy days.

    • Temperatures

  • In general, the average temperature in Naperville at the beginning of December is 1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 4.7 °C by the end of December.

    • More

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

Average dry days
13
Dry days
Average rainy days
8
Rainy days
Average snowy days
10
Snow days
Average temperatures
2°/-2°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Naperville Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
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
Partly cloudy
2°
16
Light rain
4°
17
Fog
3°
18
Light snow showers
3°
19
Overcast
-2°
20
Overcast
2°
21
Partly cloudy
2°
22
Overcast
3°
23
Fog
4°
24
Mist
5°
25
Light rain
6°
26
Fog
5°
27
Overcast
6°
28
Light drizzle
9°
29
Light drizzle
3°
30
Overcast
3°
31
Moderate snow
1°

Temperatures trend during December in Naperville

See the weather trend as well as the moving average line

December weather in Naperville 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 Partly cloudy
Partly cloudy
 2° /-5° 5.7 mm 0 cm
Dec. 16 Light rain
Light rain
 4° /-1° 3.8 mm 0 cm
Dec. 17 Fog
Fog
 3° /0° 0.1 mm 0 cm
Dec. 18 Light snow showers
Light snow showers
 3° /-2° 3.6 mm 1.1 cm
Dec. 19 Overcast
Overcast
 -2° /-7° 0 mm 0 cm
Dec. 20 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 2° /-5° 0.1 mm 0 cm
Dec. 22 Overcast
Overcast
 3° /-2° 4.4 mm 0 cm
Dec. 23 Fog
Fog
 4° /1° 0.7 mm 0 cm
Dec. 24 Mist
Mist
 5° /2° 0 mm 0 cm
Dec. 25 Light rain
Light rain
 6° /3° 2.1 mm 0 cm
Dec. 26 Fog
Fog
 5° /1° 0 mm 0 cm
Dec. 27 Overcast
Overcast
 6° /2° 1.5 mm 0 cm
Dec. 28 Light drizzle
Light drizzle
 9° /4° 22.6 mm 0 cm
Dec. 29 Light drizzle
Light drizzle
 3° /-2° 0.6 mm 0 cm
Dec. 30 Overcast
Overcast
 3° /-3° 0 mm 0 cm
Dec. 31 Moderate snow
Moderate snow
 1° /-3° 10.5 mm 5.1 cm
Next
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.
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Naperville in December - FAQ

What are the expected maximum and minimum temperatures in Naperville during December?

Brace for cold days with temperatures not exceeding 2° 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 93.6 mm spread over approximately 8 days. Considering plans for rainy days is advisable.

Will it snow in Naperville in December 2026?

Naperville experiences an average snowfall of 19.9033 cm during December, occurring over 10 days.

What are the typical wind conditions in Naperville during December?

The average wind speed in Naperville during December is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Naperville snow forecast December 2026

Track daily snowfall levels and discover Naperville’s snowy potential this December ❄️
On average, Naperville sees 10 snowy days during December, with approximately 19.9 cm of total snowfall.

December rainfall patterns in Naperville

Explore the daily rainfall trends and prepare for Napervilles December weather 💧
Typically, Naperville has 8 rainy days in December with a total of 93.6 mm of rainfall.

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Location coordinates Where is Naperville?

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

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