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Indianapolis
Weather averages
ClimateForecastSeptemberOctober >>

Indianapolis (IN) Climate by Month

The graphs below provide an overview of the climate in Indianapolis (Indiana), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Daily percent of sunshine

The mean percent of hours of sunhours during the day over the year

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average humidity

The mean monthly relative humidity over the year

Forecast for Indianapolis (IN)

Fri   Sep 20
32°C | 16°C
SW 18 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Sat   Sep 21
32°C | 19°C
W 7 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Sun   Sep 22
26°C | 20°C
SW 14 km/h
23 mm
overcast and thunder

overcast and thunder

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Indianapolis in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Indianapolis?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Indianapolis?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Indianapolis?
    The coldest month is January with an average maximum temperature of 2°C.
  • Which is the wettest month in Indianapolis?
    June tops the wettest month list with 157 mm of rainfall.
  • Which is the driest month in Indianapolis?
    February is the driest month with 69 mm of precipitation.
  • Which is the sunniest month in Indianapolis?
    July is the sunniest month with an average of 297 hours of sunshine.

    • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

     

     

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