What’s the climate like in Indianapolis?
The current climate of Indianapolis features average monthly temperatures ranging from highs of 29°C during the day to lows of 3°C. The average yearly temperature is around 18°C. At night, temperatures in the colder months average around -6°C and in the warmer months around 20°C.
The highest temperature recorded in Indianapolis in recent years was 38°C in July 2022. The lowest daytime temperature recorded was -18°C in December 2022.
On average, Indianapolis gets 1244 mm of precipitation each year. Of this, about 42 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Indianapolis?
The best time to visit Indianapolis for sunny weather is April and August through October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Indianapolis. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Indianapolis
The climate table of Indianapolis shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 3 | 5 | 11 | 18 | 25 | 28 | 29 | 29 | 27 | 19 | 10 | 6 |
| Temp. min (°C) | -5 | -4 | 2 | 7 | 15 | 19 | 20 | 20 | 16 | 10 | 1 | -2 |
| Precipitation |  |
|
|
|
|
|
|
|
|
|
|
|
| Precipitation (mm) | 131 | 81 | 103 | 107 | 126 | 126 | 125 | 90 | 60 | 89 | 122 | 84 |
| Snow (cm) | 19 | 11 | 2,0 | 0,6 | 0 | 0 | 0 | 0 | 0 | 0 | 2,5 | 5,6 |
| UV Index | 2 | 4 | 3 | 4 | 6 | 5 | 7 | 5 | 6 | 3 | 3 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 18°C
- Highest temperature: 29°C in July and August
- Lowest temperature: 3°C in January
- Precipitation*: 1244 mm per year, averaging 104 mm per month
- Snowfall: 42 cm per year
- Driest months: 60 mm in September, 81 mm in February and 84 mm in December
- Wettest months: 131 mm in January, 126 mm in May and 126 mm in June
*Precipitation is measured as a combination of rain, snow, and hail
Plan your next holiday
Don’t miss the best holiday deals for Indianapolis and see what our partners have for you.
Table of Contents
Average Temperature per Month in Indianapolis
This graph shows the average maximum temperatures per month in Indianapolis, Indiana. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Indianapolis
This graph shows how much precipitation Indianapolis, Indiana, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Indianapolis
This graph shows how much snow Indianapolis, Indiana, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Indianapolis
This graph shows the average UV index per month in Indianapolis, Indiana. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Indianapolis
This graph shows the average yearly temperature in Indianapolis, Indiana. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Indianapolis
This chart shows the total yearly precipitation in Indianapolis, Indiana, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Indianapolis
This chart shows the total yearly snowfall in Indianapolis, Indiana, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Indianapolis
Have you been to Indianapolis?
Share your weather experiences in Indianapolis.
Average Weather in Indianapolis by Month
Click on a month below to see detailed weather info for Indianapolis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
