De Kalb climate

Typical historical weather for De Kalb, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for De Kalb.

Annual average

18.9°C

across all months

Warmest month

32.9°C

Jul average high

Coolest month

3.2°C

Jan average low

Annual rainfall

1357mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

39.6°C

18 August 2024

Coldest day

-13°C

17 January 2018

Wettest day

102mm

19 June 2021

Windiest day

7.4m/s

30 August 2021