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Climate Statistics · City

Hot days (30 °C / 86 °F or more) in Chicago

1991–2020 · 1 data point Updated Oct 21, 2026
Climate · Chicago

Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1991–2020

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Latest value · 1991–2020 43days
What it means

How many days a year reach at least 30 °C.

How it is calculated

Average number of days per year with a maximum of 30 °C or higher, from daily station records over the normal period.