Decatur
December
Weather in Decatur for December 2025
Your guide to Decatur weather in December - trends and predictions
In general, the average temperature in Decatur at the beginning of December is 0.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.6 °F by the end of December.
Decatur experiences moderate rainfall in December, with an average of 7 rainy days and a total precipitation of 118.6 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
4°/-1°
Temperatures
23 km/h
Avg max wind
80 %
Avg humidity
Decatur in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  0° | 2  -1° | 3 0° | 4 4° | 5 -3° | 6  -1° | |
| 7 6° | 8  9° | 9  8° | 10 4° | 11  0° | 12 -3° | 13 0° |
| 14  3° | 15  3° | 16 9° | 17  9° | 18  3° | 19 1° | 20 1° |
| 21 1° | 22 4° | 23 2° | 24 1° | 25 3° | 26 7° | 27 9° |
| 28 10° | 29 9° | 30 8° | 31 7° |
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Temperatures trend during December in Decatur
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Sunny | 0° /-8° | 0 mm | 2 | |
| Dec. 2 | Overcast | -1° /-5° | 0 mm | 1 | |
| Dec. 3 | Sunny | 0° /-7° | 0 mm | 2 | |
| Dec. 4 | Overcast | 4° /-3° | 0 mm | 1 | |
| Dec. 5 | Sunny | -3° /-10° | 0 mm | 2 | |
| Dec. 6 | Partly cloudy | -1° /-8° | 0 mm | 2 | |
| Dec. 7 | Sunny | 6° /-4° | 0 mm | 3 | |
| Dec. 8 | Cloudy | 9° /0° | 0 mm | 2 | |
| Dec. 9 | Moderate rain | 8° /2° | 9.4 mm | 2 | |
| Dec. 10 | Overcast | 4° /-1° | 0 mm | 1 | |
| Dec. 11 | Light snow | 0° /-5° | 0 mm | 1 | |
| Dec. 12 | Overcast | -3° /-6° | 0 mm | 1 | |
| Dec. 13 | Overcast | 0° /-6° | 0 mm | 1 | |
| Dec. 14 | Moderate or heavy rain shower | 3° /-2° | 46.8 mm | 1 | |
| Dec. 15 | Fog | 3° /0° | 4.8 mm | 1 | |
| Dec. 16 | Overcast | 9° /3° | 0 mm | 2 | |
| Dec. 17 | Freezing fog | 9° /-1° | 0 mm | 2 | |
| Dec. 18 | Light rain | 3° /0° | 3.2 mm | 1 | |
| Dec. 19 | Overcast | 1° /-2° | 0 mm | 1 | |
| Dec. 20 | Overcast | 1° /-3° | 0 mm | 1 | |
| Dec. 21 | Sunny | 1° /-3° | 0 mm | 2 | |
| Dec. 22 | Partly cloudy | 4° /-3° | 0 mm | 2 | |
| Dec. 23 | Overcast | 2° /-1° | 0 mm | 1 | |
| Dec. 24 | Freezing fog | 1° /0° | 0 mm | 1 | |
| Dec. 25 | Mist | 3° /1° | 0 mm | 1 | |
| Dec. 26 | Fog | 7° /4° | 0 mm | 2 | |
| Dec. 27 | Moderate or heavy rain shower | 9° /6° | 24.4 mm | 2 | |
| Dec. 28 | Overcast | 10° /8° | 0 mm | 3 | |
| Dec. 29 | Moderate rain | 9° /8° | 18.6 mm | 2 | |
| Dec. 30 | Overcast | 8° /5° | 0 mm | 2 | |
| Dec. 31 | Light rain | 7° /0° | 11.4 mm | 2 | |
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Important Notice
Our weather forecast for Decatur 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 Decatur forecast closer to your planned date for the most up-to-date weather information.
Decatur in December - FAQ
What are the expected maximum and minimum temperatures in Decatur during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Decatur during December?
Significant rainfall exceeding 118.6 mm is expected in Decatur during December, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Decatur in December 2025?
Decatur typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Decatur during December?
The average wind speed in Decatur during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Decatur
Explore the daily rainfall trends and prepare for Decaturs December weather 💧
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