Indianapolis weather by month
Average highs run from 36°F in January to 85°F in July, and January nights average 21°F. It gets 44 inches of rain and melted snow a year and 26 inches of snow. Nights drop below freezing about 105 times a year. The most comfortable months are April and July to October.
Best time to visit Indianapolis
For comfortable weather, go in April and July to October. In those months the average high stays between 62°F and 86°F, nights average 42°F or warmer, and rain stays under 4.5 inches for the month.
Month by month
| Month | High | Low | Precip. | Snow | Wet days | Days 90°F+ | Nights below 32°F | Feels |
|---|---|---|---|---|---|---|---|---|
| January | 36°F | 21°F | 3.1 in | 8.8 in | 6 | 0 | 26 | cold |
| February | 41°F | 24°F | 2.4 in | 6.0 in | 5 | 0 | 22 | cold |
| March | 52°F | 33°F | 3.7 in | 3.2 in | 7 | 0 | 16 | cool |
| April | 64°F | 43°F | 4.3 in | 0.2 in | 8 | 0 | 4 | mild |
| May | 73°F | 54°F | 4.8 in | 0.0 in | 9 | 0 | 0 | mild |
| June | 82°F | 63°F | 5.0 in | 0.0 in | 8 | 3 | 0 | warm |
| July | 85°F | 66°F | 4.4 in | 0.0 in | 7 | 7 | 0 | warm |
| August | 84°F | 65°F | 3.2 in | 0.0 in | 6 | 6 | 0 | warm |
| September | 78°F | 57°F | 3.1 in | 0.0 in | 5 | 3 | 0 | warm |
| October | 66°F | 46°F | 3.2 in | 0.1 in | 6 | 0 | 2 | mild |
| November | 52°F | 35°F | 3.5 in | 0.8 in | 6 | 0 | 13 | cool |
| December | 40°F | 26°F | 2.9 in | 6.4 in | 6 | 0 | 23 | cold |
| Year | 63°F avg | 44°F avg | 43.6 in | 25.5 in | 78 | 20 | 105 |
"Wet days" are days with at least 0.1 inch of precipitation. "Feels" is a plain-language label for the average high. Normals for 1991-2020 from NOAA NCEI, station Indianapolis, IN (USW00093819), 9.3 miles from the city center. Averages describe typical conditions, not a forecast.
Sunrise, sunset and daylight in Indianapolis
The shortest day is December 21, with 9h 20m of daylight; the longest is June 21, with 14h 59m. The earliest sunset comes around December 2 (5:19 pm) and the latest around June 22 (9:16 pm). The sun sets after 8 pm on 171 days a year.
| On the 15th of | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:04 am | 5:44 pm | 9h 40m |
| February | 7:37 am | 6:20 pm | 10h 44m |
| March | 7:56 am | 7:51 pm | 11h 55m |
| April | 7:07 am | 8:22 pm | 13h 16m |
| May | 6:30 am | 8:52 pm | 14h 22m |
| June | 6:16 am | 9:14 pm | 14h 58m |
| July | 6:29 am | 9:11 pm | 14h 42m |
| August | 6:56 am | 8:40 pm | 13h 43m |
| September | 7:25 am | 7:52 pm | 12h 27m |
| October | 7:55 am | 7:04 pm | 11h 10m |
| November | 7:29 am | 5:28 pm | 9h 59m |
| December | 7:58 am | 5:20 pm | 9h 22m |
Calculated for 2026 at the center of Indianapolis with NOAA's solar equations, in local clock time (Eastern Time, including daylight saving time where it applies). Times shift by a minute or two from year to year.
Is Indianapolis getting warmer?
The last 10 years averaged 2.1°F warmer than the 20th century. See the climate stripes for Indianapolis.Frequently asked questions
What is the warmest month in Indianapolis?
July is the warmest month, with an average high of 85°F and an average low of 66°F (NOAA 1991-2020 normals).
What is the coldest month in Indianapolis?
January is the coldest, with average lows of 21°F and highs of 36°F.
What is the rainiest month in Indianapolis?
June gets the most precipitation, 5.0 inches on average. February is the driest at 2.4 inches.
Does it snow in Indianapolis?
Yes. Indianapolis averages 26 inches of snow a year.
When is the best time to visit Indianapolis?
For comfortable weather, April and July to October. Those months average highs between 62 and 86°F with lows of 42°F or more and modest rain.
Thinking of moving to Indianapolis?
See what homes, rent and everyday prices cost, who lives there and how it compares with nearby cities on the full Indianapolis profile.
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