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

16.8°C

across all months

Warmest month

32°C

Jul average high

Coolest month

1.2°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

37.5°C

13 September 2019

Coldest day

-16.1°C

17 January 2024

Wettest day

73.2mm

17 August 2021

Windiest day

6.9m/s

11 January 2020