Indianapolis in December usually sees fair weather conditions, with an average daily high temperature of +41°F and roughly 3 sunny days. However, you should prepare for about 8 rainy days with an average precipitation of 60 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Good to know:
December is usually the wettest month of the year in Indianapolis;
Average weather
☀️
+41°F
Avg. max. temperature
-18°F
Min.
+70°F
Max.
60 mm
Total precipitation
78%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
14 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Indianapolis has OK weather in December.
Average temperature in Indianapolis in December
Here are the expected maximum, average and minimum temperatures in Indianapolis for December based on the historical data.
Last Year
Historical Data
The temperature in December is +48°F on average, with a range between a maximum of +63°F during the day and a minimum of +19°F at night.
The average maximum temperature goes down 42% by the end of the month, compared with the beginning of the month, from +54°F to +36°F.
Is Indianapolis warm or cold in December?
Indianapolis is typically chill in December.
Maximum temperatures go down compared to the previous month from +52°F to +41°F. The minimum temperature also goes down from +37°F to +28°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Indianapolis, here is the comparison with other months:
Climate in Indianapolis in December
Indianapolis weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+52°F
+41°F
+36°F
Min. temperature
+9°F
-18°F
-24°F
Max. temperature
+79°F
+70°F
+66°F
Rainfall
79 mm
60 mm
45 mm
Wind
3 m/s
3 m/s
4 m/s
Humidity
73%
78%
76%
Air pressure
1018 HPa
1019 HPa
1019 HPa
Sunny days
5
3
3
Cloudy days
13
14
15
Rainy days
10
8
5
Snowy days
2
6
8
December weather is still as ok as in November.It’s getting colder in December. From +52°F in the day, the average maximum temperature lowers to +41°F.As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 79 mm to 60 mm.Humidity rises from 73% to 78%.The average wind speed doesn’t change much during December, staying around 3 m/s.The days becoming less sunny, going from 5 sunny days in November to 3 in December.
January brings much the same weather, it remains ok.
Wind speed in Indianapolis in December based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Indianapolis is gradually increasing during December, going from 4 m/s to 4 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Indianapolis based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in December stands at 39%, leading to total precipitation of around 45 mm. The maximum amount of rainfall per day is around 11 mm, which is considered light rain.December is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how December is compared with other months in the amount of precipitation, total mm:
Indianapolis wettest month is May, where a typical day has a 52% chance of precipitation and 115 mm of rainfall per day. January, on the other hand, is the driest month with a mere 16% chance of precipitation and 45 mm of rainfall per day.
Snow
Amount of snow in mm during December in Indianapolis based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in December is 0%, for a monthly total of around 0 mm.
December is one of the snowiest months in Indianapolis.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Indianapolis?
This is the weather in Indianapolis in December 2023:
1 December
🌫️
+53°F
2 December
☁️
+50°F
3 December
🌫️
+46°F
4 December
☁️
+45°F
5 December
☁️
+43°F
6 December
☁️
+42°F
7 December
☁️
+56°F
8 December
☁️
+57°F
9 December
☁️
+63°F
10 December
☁️
+48°F
11 December
☁️
+39°F
12 December
☀️
+50°F
13 December
☁️
+45°F
14 December
☀️
+53°F
15 December
☀️
+56°F
16 December
☁️
+54°F
17 December
🌫️
+54°F
18 December
☁️
+42°F
19 December
☀️
+37°F
20 December
☁️
+50°F
21 December
☁️
+51°F
22 December
☁️
+51°F
23 December
🌫️
+50°F
24 December
🌫️
+62°F
25 December
☁️
+59°F
26 December
☁️
+54°F
27 December
☀️
+48°F
28 December
☁️
+44°F
29 December
☁️
+37°F
30 December
☁️
+37°F
31 December
☁️
+36°F
In December 2023 Indianapolis had 5 sunny days, 21 cloudy days, and 0 rainy days. The average maximum temperature was +48°F, with an absolute maximum of +63°F and a minimum of +36°F. The average humidity was 76%, with a maximum of 100% and a minimum of 31%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Indianapolis climate has changed over the last 43 years.
The climate in Indianapolis in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+59°F) and the highest in 2012 (+67°F). The driest year was 1999 with only 656 mm of rainfall, and the wettest year was 2019 with 1833 mm.
FAQ
Frequently asked questions about the weather in Indianapolis in December:
Is December a good time to visit Indianapolis?
It’s always a good time to visit Indianapolis, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Indianapolis in December?
Not really, December is not the best time to sunbathe, unless you visit a local solarium.
Is Indianapolis rainy in December?
Indianapolis is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Indianapolis in December?
Usually, it’s not very sunny in Indianapolis in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Indianapolis, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.