Indianapolis weather in May
Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Good
Best time to visit: May – June, August – October
What is the weather like in Indianapolis in May?
In May, Indianapolis is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 14 rainy days and 123 mm in total. All in all, May is a good month for a holiday in Indianapolis.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 20 min06:31 – 20:51
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 3 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 62 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/Indiana/Indianapolis
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %31 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in May
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Indianapolis in May: quick answers
Is Indianapolis hot in May?
Warm rather than hot: in May, daytime highs in Indianapolis average 22 °C and nights cool to about 13 °C.
Does it rain much in Indianapolis in May?
Rain is frequent, with about 14 rainy days and 123 mm in total.
Indianapolis month by month
The whole year in IndianapolisAll destinations: USAWhere to go in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences