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United States weather

Weather in DuPage County, Illinois for January 2027

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

    Snow Forecast ❄️

  • With an average of 5 snowy days, DuPage County usually enjoys a light touch of snow in January.

    • Temperatures

  • In general, the average temperature in DuPage County at the beginning of January is -0.4 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of -0.9 °C by the end of January.

    • More

  • Is January a good time to visit DuPage County? check out the best time to travel to DuPage County page.

  • ✨ Is January a good time to visit DuPage County? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
2
Rainy days
Average snowy days
5
Snow days
Average temperatures
-2°/-8°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
78 %
Avg humidity

DuPage County Weather January

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

Temperatures trend during January in DuPage County

See the weather trend as well as the moving average line

January weather in DuPage County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 -1° /-5° 0 mm 0 cm
Jan. 2 Overcast
Overcast
 1° /-4° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 0° /-5° 0 mm 0 cm
Jan. 4 Sunny
Sunny
 -2° /-7° 0 mm 0 cm
Jan. 5 Patchy rain possible
Patchy rain possible
 -1° /-5° 0 mm 0 cm
Jan. 6 Light snow
Light snow
 0° /-2° 1.2 mm 1 cm
Jan. 7 Overcast
Overcast
 0° /-3° 0 mm 0 cm
Jan. 8 Light snow
Light snow
 1° /-3° 3.9 mm 0.2 cm
Jan. 9 Moderate snow
Moderate snow
 4° /-3° 10.7 mm 5.3 cm
Jan. 10 Light freezing rain
Light freezing rain
 0° /-4° 2.3 mm 0.9 cm
Jan. 11 Cloudy
Cloudy
 -1° /-6° 0.4 mm 0.3 cm
Jan. 12 Moderate snow
Moderate snow
 1° /-3° 8.6 mm 6.6 cm
Jan. 13 Moderate snow
Moderate snow
 0° /-8° 1.3 mm 0.1 cm
Jan. 14 Light freezing rain
Light freezing rain
 -7° /-13° 0.1 mm 0 cm
Jan. 15 Mist
Mist
 -9° /-16° 0 mm 0 cm
Jan. 16 Light snow
Light snow
 -4° /-13° 2.3 mm 1.7 cm
Jan. 17 Light snow
Light snow
 -4° /-11° 1.4 mm 1 cm
Jan. 18 Light freezing rain
Light freezing rain
 -5° /-13° 0.6 mm 0.4 cm
Jan. 19 Overcast
Overcast
 -9° /-16° 0.5 mm 0.4 cm
Jan. 20 Partly cloudy
Partly cloudy
 -9° /-19° 0 mm 0 cm
Jan. 21 Freezing fog
Freezing fog
 -7° /-16° 0 mm 0 cm
Jan. 22 Heavy snow
Heavy snow
 -4° /-11° 0.9 mm 0.3 cm
Jan. 23 Light freezing rain
Light freezing rain
 -6° /-11° 3.8 mm 0 cm
Jan. 24 Light rain
Light rain
 -6° /-12° 1.7 mm 0 cm
Jan. 25 Light snow
Light snow
 -1° /-7° 3.9 mm 0 cm
Jan. 26 Light snow
Light snow
 -4° /-9° 1.4 mm 0 cm
Jan. 27 Overcast
Overcast
 -2° /-7° 0.2 mm 0 cm
Jan. 28 Overcast
Overcast
 -1° /-7° 0 mm 0 cm
Jan. 29 Partly cloudy
Partly cloudy
 1° /-6° 0 mm 0 cm
Jan. 30 Moderate snow
Moderate snow
 0° /-6° 0.2 mm 0 cm
Jan. 31 Patchy rain possible
Patchy rain possible
 1° /-5° 2 mm 0 cm
Next
Important Notice
Our weather forecast for DuPage County in January 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 January - FAQ

What are the expected maximum and minimum temperatures in DuPage County during January?
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 DuPage County during January?
In January, DuPage County can expect light to moderate rainfall, totaling 47.5 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in DuPage County in January 2027?
DuPage County experiences an average snowfall of 18.3 cm during January, occurring over 5 days.

What are the typical wind conditions in DuPage County during January?
The average wind speed in DuPage County during January is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

DuPage County snow forecast January 2027

Track daily snowfall levels and discover DuPage County’s snowy potential this January ❄️
On average, DuPage County sees 5 snowy days during January, with approximately 18.3 cm of total snowfall.

January rainfall patterns in DuPage County

Explore the daily rainfall trends and prepare for DuPage Countys January weather 💧
Typically, DuPage County has 2 rainy days in January with a total of 47.5 mm of rainfall.
Top locations in DuPage County
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Naperville
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