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United States weather

Weather in Peoria County, Illinois for January 2026

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

    Snow Forecast ❄️

  • Peoria County typically experiences moderate snowfall in January, with an average of 7 snowy days.

    • Temperatures

  • In general, the average temperature in Peoria County at the beginning of January is -1.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 3.6 °F by the end of January.

    • More

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

Average dry days
20
Dry days
Average rainy days
4
Rainy days
Average snowy days
7
Snow days
Average temperatures
-2°/-8°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Peoria County Weather January

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

Temperatures trend during January in Peoria County

See the weather trend as well as the moving average line

January weather in Peoria County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 0° /-2° 0 mm 0 cm
Jan. 2 Overcast
Overcast
 1° /-2° 0 mm 0 cm
Jan. 3 Sunny
Sunny
 0° /-4° 0 mm 0 cm
Jan. 4 Overcast
Overcast
 -4° /-9° 0 mm 0 cm
Jan. 5 Overcast
Overcast
 -2° /-5° 0 mm 0 cm
Jan. 6 Blowing snow
Blowing snow
 -2° /-7° 50.6 mm 13.4 cm
Jan. 7 Overcast
Overcast
 -4° /-10° 0 mm 0 cm
Jan. 8 Heavy snow
Heavy snow
 -3° /-7° 3.6 mm 2.2 cm
Jan. 9 Heavy snow
Heavy snow
 0° /-5° 16.2 mm 10.4 cm
Jan. 10 Overcast
Overcast
 0° /-6° 0.1 mm 0 cm
Jan. 11 Light snow
Light snow
 0° /-7° 0.5 mm 0.3 cm
Jan. 12 Heavy snow
Heavy snow
 1° /-3° 21.1 mm 7.6 cm
Jan. 13 Light snow
Light snow
 -4° /-14° 0.5 mm 0 cm
Jan. 14 Overcast
Overcast
 -11° /-17° 0 mm 0 cm
Jan. 15 Light snow
Light snow
 -10° /-18° 0 mm 0 cm
Jan. 16 Sunny
Sunny
 -7° /-15° 0 mm 0 cm
Jan. 17 Overcast
Overcast
 -2° /-10° 0.1 mm 0.1 cm
Jan. 18 Heavy snow
Heavy snow
 -3° /-10° 0.7 mm 0.5 cm
Jan. 19 Light snow
Light snow
 -9° /-17° 0.2 mm 0.1 cm
Jan. 20 Mist
Mist
 -9° /-19° 0 mm 0 cm
Jan. 21 Freezing fog
Freezing fog
 -8° /-19° 0 mm 0 cm
Jan. 22 Moderate snow
Moderate snow
 -1° /-10° 3.2 mm 0.1 cm
Jan. 23 Light freezing rain
Light freezing rain
 -1° /-5° 4.8 mm 0 cm
Jan. 24 Light rain
Light rain
 0° /-7° 3.3 mm 0 cm
Jan. 25 Moderate rain
Moderate rain
 1° /-3° 3.8 mm 0 cm
Jan. 26 Fog
Fog
 0° /-3° 0.2 mm 0 cm
Jan. 27 Fog
Fog
 3° /-4° 0.2 mm 0 cm
Jan. 28 Overcast
Overcast
 4° /-1° 0 mm 0 cm
Jan. 29 Sunny
Sunny
 7° /-2° 0 mm 0 cm
Jan. 30 Light snow
Light snow
 4° /0° 0.8 mm 0 cm
Jan. 31 Sunny
Sunny
 6° /0° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Peoria 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 Peoria County forecast closer to your planned date for the most up-to-date weather information.
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Peoria County in January - FAQ

What are the expected maximum and minimum temperatures in Peoria 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 Peoria County during January?
Significant rainfall exceeding 110 mm is expected in Peoria County during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Peoria County in January 2026?
Peoria County experiences an average snowfall of 34.665 cm during January, occurring over 7 days.
What are the typical wind conditions in Peoria County during January?
The average wind speed in Peoria County during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Peoria County snow forecast January 2026

Track daily snowfall levels and discover Peoria County’s snowy potential this January ❄️

January rainfall patterns in Peoria County

Explore the daily rainfall trends and prepare for Peoria Countys January weather 💧
Top locations in Peoria County
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PeoriaPeoria Heights
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Location coordinates Where is Peoria County?

Get accurate weather forecasts for Peoria County, located at latitude 40.694 and longitude -89.589. Stay updated with localized weather information tailored for Peoria County.

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