Decatur climate

Typical historical weather for Decatur, 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 Decatur.

Annual average

19.1°C

across all months

Warmest month

32.9°C

Jul average high

Coolest month

3.4°C

Jan average low

Annual rainfall

1328mm

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

39.8°C

13 August 2023

Coldest day

-13°C

17 January 2018

Wettest day

100.3mm

11 April 2016

Windiest day

7.7m/s

30 August 2021