Skip to content

    Humid cities · Indiana

    How humid is Indianapolis in summer?

    Indianapolis right now

    44°FBroken cloud

    • Today46°F / 38°FClouds
    • Tomorrow48°F / 34°FClouds
    • Monday49°F / 34°FClear skies
    Global boring, more like.

    Live from OpenWeatherMap. Alerts from the National Weather Service.

    Across June, July and August, the dew point in Indianapolis averages about 63°F, which is sticky on the usual dew point scale.

    July is the muggiest month, with the dew point averaging about 64.6°F. On NOAA’s hour by hour normals, about 285 hours, about 3% of the year, average a dew point of 65°F or more. That makes it the joint 46th most humid summer of the 124 US cities we track.

    Last updated

    The highest dew point in the forecast for the next 48 hours is about 36°F, which is dry.

    Indianapolis averages a summer dew point of about 63°F. The racing is fast, the air is not.

    Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.

    Summer humidity at a glance

    Dew point, June to August63°F
    Muggiest monthJuly, 64.6°F
    Hours a year at a 65°F dew point or more285 (3%)
    How summer feelssticky

    The dew point is the temperature the air would have to cool to for dew to form, so the higher it is, the more water the air holds. Forecasters usually call under 55°F comfortable, 55 to 65°F sticky and 65°F or more muggy; 70°F or more feels tropical.

    Cities with about the same summer air

    Every city’s summer air, muggiest first

    More about the weather here

    Source: NOAA U.S. Climate Normals, hourly, 1991 to 2020, station USW00093819. Average dew points, not the stickiest days.