Irmo climate

Typical historical weather for Irmo, 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 Irmo.

Annual average

18.4°C

across all months

Warmest month

32.1°C

Jul average high

Coolest month

4°C

Jan average low

Annual rainfall

1186mm

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

37.7°C

8 July 2016

Coldest day

-9.9°C

24 December 2022

Wettest day

118.6mm

7 November 2024

Windiest day

9.7m/s

11 September 2017