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    Humid cities · Ohio

    How humid is Cincinnati in summer?

    Across June, July and August, the dew point in Cincinnati averages about 63.5°F, which is sticky on the usual dew point scale.

    July is the muggiest month, with the dew point averaging about 65.2°F. On NOAA’s hour by hour normals, about 467 hours, about 5% of the year, average a dew point of 65°F or more. That makes it the 43rd most humid summer of the 124 US cities we track.

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    The highest dew point in the forecast for the next 48 hours is about 37°F, which is dry.

    Cincinnati’s summer dew point averages about 63.5°F, and July nudges it to about 65. The chili is the hottest thing in town, the air is the dampest.

    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 August63.5°F
    Muggiest monthJuly, 65.2°F
    Hours a year at a 65°F dew point or more467 (5%)
    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 USW00093814. Average dew points, not the stickiest days.