Indianapolis Weather in December
December in Indianapolis brings low temperatures around 5°C (41°F) during the day, dropping to -3°C (27°F) at night, with quite a bit of snow/rainfall expected, averaging around 113 mm (4.4 in) for the month.
Rainfall in Indianapolis in December
On average, there are about 13 days with snow/rain during this month, averaging 113 mm (4.4 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Indianapolis in December
December in Indianapolis sees highs of 5°C (41°F) and lows of -3°C (27°F) overnight. Winter occurs in December. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of -3°C (27°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.
Sunshine in Indianapolis in December
The area enjoys a balanced 105 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Indianapolis. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Indianapolis's climate page.
Indianapolis Temperature in December
Min Temperature
-3°C (27°F)
Max Temperature
5°C (41°F)
Chance of Rain
43%
Precipitation
113 mm (4.4 in)
Rainy days
13 days
Humidity
78%
Sunshine
105 hours
Percentage Sunshine
36%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Indianapolis typically stay consistent throughout December, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows typically ranging from -6°C (21°F) to -1°C (30°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Indianapolis in December
Browse day-by-day weather records for Indianapolis spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Indianapolis historical weather extremes in December
Our historical data for Indianapolis spans 1976 to 2025, revealing these weather extremes.
- Indianapolis recorded its highest December temperature of 23°C (73°F) on December 2, 1982.
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
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What to Wear in Indianapolis in December
Dress warmly and in layers for your trip to Indianapolis in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Indianapolis in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Indianapolis's climate page.
Temperature Rainfall Sunshine Humidity
See the full Indianapolis climate overview or explore weather in the United States of America.
