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United States weather

Weather in Peoria County, Illinois for December 2025

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

    Snow Forecast ❄️

  • With an average of 2 snowy days, Peoria County usually enjoys a light touch of snow in December.
    According to Peoria County snow forecast for December 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Sunday, December 21.

    • Temperatures

  • Until now, December 2025 in Peoria County is slightly cooler than the historical average by -1.2 °F.

  • The forecast for the upcoming days in Peoria County predicts a temperature of 2.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Peoria County at the beginning of December is -0.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 1.3 °F by the end of December.

    • Rain 🌧️

  • With an average of 3 rainy days, Peoria County experiences minimal rainfall in December.

    • More

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

Average dry days
26
Dry days
Average rainy days
3
Rainy days
Average snowy days
2
Snow days
Average temperatures
2°/-2°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Peoria County Weather December

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

Temperatures trend during December in Peoria County

See the weather trend as well as the moving average line

December weather in Peoria County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 -1° /-6° 1.9 mm 0.6 cm
Dec. 2 Overcast
Overcast
 -1° /-7° 1 mm 0.8 cm
Dec. 3 Mist
Mist
 1° /-7° 4.7 mm 2.3 cm
Dec. 4 Cloudy
Cloudy
 -1° /-8° 0 mm 0 cm
Dec. 5 Partly cloudy
Partly cloudy
 -2° /-12° 0 mm 0 cm
Dec. 6 Overcast
Overcast
 0° /-5° 0 mm 0 cm
Dec. 7 Partly cloudy
Partly cloudy
 3° /-5° 3.3 mm 2.4 cm
Dec. 8 Overcast
Overcast
 4° /-4° 0 mm 0 cm
Dec. 9 Overcast
Overcast
 5° /-2° 0 mm 0 cm
Dec. 10 Overcast
Overcast
 2° /-2° 0 mm 0 cm
Dec. 11 Light snow
Light snow
 -1° /-5° 2 mm 1.4 cm
Dec. 12 Overcast
Overcast
 -3° /-6° 3.5 mm 2.5 cm
Dec. 13 Overcast
Overcast
 -2° /-11° 11.9 mm 8.6 cm
Dec. 14 Moderate snow
Moderate snow
 -4° /-10° 14.3 mm 0.7 cm
Dec. 15 Sunny
Sunny
 1° /-20° 0 mm 0 cm
Dec. 16 Sunny
Sunny
 5° /-10° 0 mm 0 cm
Dec. 17 Freezing fog
Freezing fog
 -1° /-3° 0 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
 11° /-6° 11.2 mm 0 cm
Dec. 19 Partly cloudy
Partly cloudy
 -3° /-9° 0 mm 0 cm
Dec. 20 Sunny
Sunny
 7° /-1° 0.1 mm 0 cm
Dec. 21 Sunny
Sunny
 0° /-5° 0 mm 0 cm
Dec. 22 Partly cloudy
Partly cloudy
 4° /-5° 0 mm 0 cm
Dec. 23 Sunny
Sunny
 10° /2° 0 mm 0 cm
Dec. 24 Sunny
Sunny
 4° /-2° 0 mm 0 cm
Dec. 25 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Dec. 26 Partly cloudy
Partly cloudy
 -2° /-9° 0.1 mm 0 cm
Dec. 27 Light freezing rain
Light freezing rain
 -7° /-12° 0.2 mm 0.1 cm
Dec. 28 Partly cloudy
Partly cloudy
 -1° /-9° 0.1 mm 0.1 cm
Dec. 29 Fog
Fog
 8° /6° 0 mm 0 cm
Dec. 30 Overcast
Overcast
 6° /3° 0 mm 0 cm
Dec. 31 Heavy snow
Heavy snow
 4° /0° 33.9 mm 9.7 cm
Next
Important Notice
Our weather forecast for Peoria 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 Peoria County forecast closer to your planned date for the most up-to-date weather information.
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Peoria County in December - FAQ

What are the expected maximum and minimum temperatures in Peoria County 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 Peoria County during December?
Moderate rainfall is anticipated in Peoria County during December, with a total of 91.8 mm spread over approximately 3 days. Considering plans for rainy days is advisable.
Will it snow in Peoria County in December 2025?
Peoria County experiences an average snowfall of 11.08 cm during December, occurring over 2 days.
What are the typical wind conditions in Peoria County during December?
The average wind speed in Peoria County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Peoria County snow forecast December 2025

Track daily snowfall levels and discover Peoria County’s snowy potential this December ❄️
On average, Peoria County sees 2 snowy days during December, with approximately 11.1 cm of total snowfall.

December rainfall patterns in Peoria County

Explore the daily rainfall trends and prepare for Peoria Countys December weather 💧
Typically, Peoria County has 3 rainy days in December with a total of 91.8 mm of rainfall.
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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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