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Effingham (IL)
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Effingham (IL)
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Weather in Effingham, Illinois for December 2025

Your guide to Effingham weather in December - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Effingham during December is quite rare, with fewer than 2 snowy days on average.
    According to Effingham snow forecast for December 2025, 1 snowy day is expected in the next 2 weeks at Friday, December 12.

    • Temperatures

  • Until now, December 2025 in Effingham is slightly cooler than the historical average by -0.9 °F.

  • The forecast for the upcoming days in Effingham predicts a temperature of 3.8 °F, which is slightly above the historical average.

  • In general, the average temperature in Effingham at the beginning of December is 1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 9.6 °F by the end of December.

    • Rain 🌧️

  • The climate of Effingham in December is notably wet, with an average of 13 rainy days, and a total of 168.7 mm of precipitation.

    • More

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

Average dry days
18
Dry days
Average rainy days
13
Rainy days
Average snowy days
0
Snow days
Average temperatures
5°/-1°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Effingham Weather December

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

Temperatures trend during December in Effingham

See the weather trend as well as the moving average line

December weather in Effingham day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 0° /-6° 0 mm 0 cm
Dec. 2 Light freezing rain
Light freezing rain
 0° /-7° 9.5 mm 5.4 cm
Dec. 3 Sunny
Sunny
 1° /-7° 0 mm 0 cm
Dec. 4 Overcast
Overcast
 2° /-6° 0 mm 0 cm
Dec. 5 Sunny
Sunny
 -1° /-10° 0 mm 0 cm
Dec. 6 Cloudy
Cloudy
 0° /-5° 0 mm 0 cm
Dec. 7 Sunny
Sunny
 5° /-4° 1.7 mm 0.5 cm
Dec. 8 Overcast
Overcast
 6° /-2° 2.4 mm 0 cm
Dec. 9 Sunny
Sunny
 11° /-5° 0 mm 0 cm
Dec. 10 Overcast
Overcast
 3° /-1° 0 mm 0 cm
Dec. 11 Overcast
Overcast
 -1° /-3° 0 mm 0 cm
Dec. 12 Light freezing rain
Light freezing rain
 1° /-8° 0.1 mm 0.1 cm
Dec. 13 Cloudy
Cloudy
 -5° /-11° 0 mm 0 cm
Dec. 14 Partly cloudy
Partly cloudy
 -2° /-9° 0 mm 0 cm
Dec. 15 Moderate snow
Moderate snow
 0° /-5° 1.1 mm 0 cm
Dec. 16 Partly cloudy
Partly cloudy
 0° /-6° 0 mm 0 cm
Dec. 17 Sunny
Sunny
 5° /-5° 0 mm 0 cm
Dec. 18 Sunny
Sunny
 6° /-1° 0 mm 0 cm
Dec. 19 Sunny
Sunny
 6° /-3° 0 mm 0 cm
Dec. 20 Sunny
Sunny
 11° /1° 0 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 7° /-2° 0 mm 0 cm
Dec. 22 Patchy rain possible
Patchy rain possible
 11° /3° 0.6 mm 0 cm
Dec. 23 Moderate rain at times
Moderate rain at times
 5° /-1° 1.1 mm 0 cm
Dec. 24 Patchy rain possible
Patchy rain possible
 6° /1° 1 mm 0 cm
Dec. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /3° 8.7 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 9° /5° 0.9 mm 0 cm
Dec. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /7° 22 mm 0 cm
Dec. 28 Overcast
Overcast
 13° /9° 5.4 mm 0 cm
Dec. 29 Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /7° 41.3 mm 0 cm
Dec. 30 Patchy rain possible
Patchy rain possible
 9° /5° 0.1 mm 0 cm
Dec. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
 8° /1° 10.7 mm 0 cm
Next
Important Notice
Our weather forecast for Effingham 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 Effingham forecast closer to your planned date for the most up-to-date weather information.
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Effingham in December - FAQ

What are the expected maximum and minimum temperatures in Effingham 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 Effingham during December?
Significant rainfall exceeding 168.7 mm is expected in Effingham during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Effingham in December 2025?
Effingham typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Effingham during December?
The average wind speed in Effingham during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Effingham snow forecast December 2025

Track daily snowfall levels and discover Effingham’s snowy potential this December ❄️

December rainfall patterns in Effingham

Explore the daily rainfall trends and prepare for Effinghams December weather 💧
Typically, Effingham has 13 rainy days in December with a total of 168.7 mm of rainfall.

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Location coordinates Where is Effingham?

Get accurate weather forecasts for Effingham, located at latitude 39.12 and longitude -88.543. Stay updated with localized weather information tailored for Effingham.

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