Decatur
January
Weather in Decatur for January 2026
Your guide to Decatur weather in January - trends and predictions
The climate of Decatur in January is quite snowy, averaging 14 snowy days.
In general, the average temperature in Decatur at the beginning of January is -0.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 3.9 °F by the end of January.
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Snow Forecast ❄️
Temperatures
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11
Dry days
6
Rainy days
14
Snow days
0°/-5°
Temperatures
25 km/h
Avg max wind
82 %
Avg humidity
Decatur Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  0° | 2 2° | 3 1° | ||||
| 4 -3° | 5 -2° | 6  1° | 7  -2° | 8  -3° | 9 2° | 10  1° |
| 11  -0° | 12  3° | 13 -4° | 14 -8° | 15 -8° | 16  -5° | 17  -1° |
| 18  -0° | 19 -6° | 20 -8° | 21 -8° | 22  -1° | 23 -2° | 24 1° |
| 25 2° | 26 2° | 27  5° | 28 2° | 29  6° | 30  4° | 31 6° |
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Temperatures trend during January in Decatur
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Overcast | 0° /-2° | 0 mm | 0 cm | |
| Jan. 2 | Overcast | 2° /-2° | 0 mm | 0 cm | |
| Jan. 3 | Overcast | 1° /-3° | 0 mm | 0 cm | |
| Jan. 4 | Overcast | -3° /-7° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | -2° /-4° | 10.6 mm | 4.3 cm | |
| Jan. 6 | Fog | 1° /-4° | 14 mm | 1.2 cm | |
| Jan. 7 | Moderate snow | -2° /-7° | 0.4 mm | 0.2 cm | |
| Jan. 8 | Light drizzle | -3° /-10° | 3.7 mm | 0 cm | |
| Jan. 9 | Moderate snow | 2° /-5° | 10.7 mm | 2.3 cm | |
| Jan. 10 | Light snow | 1° /-5° | 4.1 mm | 2.7 cm | |
| Jan. 11 | Light freezing rain | 0° /-6° | 0.1 mm | 0 cm | |
| Jan. 12 | Moderate rain | 3° /-4° | 13.1 mm | 0 cm | |
| Jan. 13 | Light snow | -4° /-12° | 1.4 mm | 0 cm | |
| Jan. 14 | Overcast | -8° /-15° | 0 mm | 0 cm | |
| Jan. 15 | Light snow | -8° /-15° | 0 mm | 0 cm | |
| Jan. 16 | Cloudy | -5° /-12° | 0 mm | 0 cm | |
| Jan. 17 | Partly cloudy | -1° /-8° | 7.2 mm | 0 cm | |
| Jan. 18 | Heavy snow | 0° /-9° | 5 mm | 1.7 cm | |
| Jan. 19 | Light snow | -6° /-15° | 0.3 mm | 0.2 cm | |
| Jan. 20 | Overcast | -8° /-16° | 0 mm | 0 cm | |
| Jan. 21 | Overcast | -8° /-15° | 0 mm | 0 cm | |
| Jan. 22 | Ice pellets | -1° /-11° | 3.5 mm | 0 cm | |
| Jan. 23 | Light rain | -2° /-5° | 7.6 mm | 0 cm | |
| Jan. 24 | Light rain | 1° /-7° | 3.5 mm | 0 cm | |
| Jan. 25 | Moderate rain | 2° /-2° | 6.4 mm | 0 cm | |
| Jan. 26 | Fog | 2° /-2° | 0 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 5° /-3° | 0 mm | 0 cm | |
| Jan. 28 | Patchy rain possible | 2° /-1° | 1.1 mm | 0 cm | |
| Jan. 29 | Sunny | 6° /-1° | 0 mm | 0 cm | |
| Jan. 30 | Light snow showers | 4° /0° | 1 mm | 0.1 cm | |
| Jan. 31 | Sunny | 6° /0° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Decatur 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 Decatur forecast closer to your planned date for the most up-to-date weather information.
Decatur in January - FAQ
What are the expected maximum and minimum temperatures in Decatur during January?
Brace for cold days with temperatures not exceeding 0° 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 January?
Significant rainfall exceeding 120.6 mm is expected in Decatur during January, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Decatur in January 2026?
Decatur experiences an average snowfall of 12.2 cm during January, occurring over 14 days.
What are the typical wind conditions in Decatur during January?
The average wind speed in Decatur during January is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Decatur snow forecast January 2026
Track daily snowfall levels and discover Decatur’s snowy potential this January ❄️
January rainfall patterns in Decatur
Explore the daily rainfall trends and prepare for Decaturs January weather 💧
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