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    Rainy days · Illinois

    How often does it rain in Rockford?

    Rockford’s rain is honest Midwestern rain: shows up, gets the job done, leaves quietly.

    Rockford gets measurable rain or snow on about 121 days a year, adding up to about 37 inches.

    Tomorrow’s roast for RockfordFree, no account, and you pick how rude I get.

    November usually brings Rockford about 9 wet days and 2.3 inches. The wettest month is usually May, with about 13 wet days, and the driest is September, with about 8 wet days. That makes Rockford number 52 of the 129 US cities we track, rainiest first.

    Last updated

    No rain in the forecast for the next 48 hours.

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

    Rainy days, month by month

    MonthWet daysInches
    January101.6
    February91.6
    March112.4
    April123.8
    May134.2
    June115.2
    July93.8
    August94.2
    September83.6
    October102.6
    November92.3
    December101.9

    Cities with about as many rainy days

    Every city’s rainy days, rainiest first

    Source: NOAA daily precipitation records for the Rockford area, 1991 to 2020 (at least 30 complete years behind every month), via the Applied Climate Information System. A wet day here means at least a hundredth of an inch of rain or melted snow.