Marion County (Indianapolis)
December
Weather in Marion County for December 2025
Your guide to Marion County weather in December - trends and predictions
Marion County typically experiences moderate snowfall in December, with an average of 6 snowy days.
In general, the average temperature in Marion County at the beginning of December is 4.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 6.1 °F by the end of December.
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Snow Forecast ❄️
Temperatures
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12
Dry days
13
Rainy days
6
Snow days
5°/0°
Temperatures
19 km/h
Avg max wind
75 %
Avg humidity
Marion County Weather December
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  5° | 2  4° | 3  5° | 4 4° | 5  4° | 6  2° | |
| 7  9° | 8 11° | 9 11° | 10  6° | 11 2° | 12 2° | 13 3° |
| 14 6° | 15 7° | 16 11° | 17 7° | 18  5° | 19  1° | 20 4° |
| 21 4° | 22 5° | 23 -0° | 24 2° | 25 2° | 26  6° | 27 5° |
| 28 8° | 29 8° | 30  8° | 31 6° |
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Temperatures trend during December in Marion County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Heavy rain | 5° /-1° | 6.1 mm | 0 cm | |
| Dec. 2 | Overcast | 4° /-2° | 0 mm | 0 cm | |
| Dec. 3 | Light rain | 5° /-2° | 1.5 mm | 0 cm | |
| Dec. 4 | Overcast | 4° /-2° | 0 mm | 0 cm | |
| Dec. 5 | Moderate snow | 4° /-4° | 0.9 mm | 0.5 cm | |
| Dec. 6 | Patchy rain possible | 2° /-5° | 0.1 mm | 0 cm | |
| Dec. 7 | Sunny | 9° /-2° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 11° /1° | 0 mm | 0 cm | |
| Dec. 9 | Light rain shower | 11° /6° | 15.1 mm | 0 cm | |
| Dec. 10 | Moderate rain | 6° /-1° | 1.6 mm | 0 cm | |
| Dec. 11 | Sunny | 2° /-3° | 0 mm | 0 cm | |
| Dec. 12 | Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 13 | Patchy rain possible | 3° /-3° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | 6° /-1° | 6.4 mm | 0 cm | |
| Dec. 15 | Overcast | 7° /2° | 31.5 mm | 0 cm | |
| Dec. 16 | Overcast | 11° /4° | 21.4 mm | 0 cm | |
| Dec. 17 | Light rain shower | 7° /3° | 1.8 mm | 0 cm | |
| Dec. 18 | Light snow | 5° /-1° | 19.8 mm | 0 cm | |
| Dec. 19 | Partly cloudy | 1° /-3° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 4° /-1° | 1.5 mm | 1.1 cm | |
| Dec. 21 | Overcast | 4° /0° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 5° /-4° | 2.7 mm | 1 cm | |
| Dec. 23 | Overcast | 0° /-6° | 0.9 mm | 0.1 cm | |
| Dec. 24 | Overcast | 2° /-4° | 0 mm | 0 cm | |
| Dec. 25 | Light rain | 2° /-2° | 6.7 mm | 0 cm | |
| Dec. 26 | Light freezing rain | 6° /-1° | 0.8 mm | 0 cm | |
| Dec. 27 | Overcast | 5° /0° | 16.7 mm | 0 cm | |
| Dec. 28 | Partly cloudy | 8° /2° | 0.5 mm | 0.2 cm | |
| Dec. 29 | Overcast | 8° /3° | 42.9 mm | 0.3 cm | |
| Dec. 30 | Moderate or heavy rain shower | 8° /5° | 7.8 mm | 0 cm | |
| Dec. 31 | Patchy rain possible | 6° /1° | 7.7 mm | 0 cm | |
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Important Notice
Our weather forecast for Marion 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 Marion County forecast closer to your planned date for the most up-to-date weather information.
Marion County in December - FAQ
What are the expected maximum and minimum temperatures in Marion County 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 Marion County during December?
Significant rainfall exceeding 194.5 mm is expected in Marion County during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Marion County in December 2025?
Marion County experiences an average snowfall of 3.31 cm during December, occurring over 6 days.
What are the typical wind conditions in Marion County during December?
The average wind speed in Marion County during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Marion County snow forecast December 2025
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December rainfall patterns in Marion County
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