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Iron Mountain climate
Typical historical weather for Iron Mountain, 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 Iron Mountain.
Annual average
6.6°C
across all months
Warmest month
26.8°C
Jul average high
Coolest month
-12.5°C
Feb average low
Annual rainfall
900mm
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
38.1°C
30 June 2018
Coldest day
-30.9°C
26 January 2019
Wettest day
62mm
27 August 2021
Windiest day
8.1m/s
7 March 2017
See the detail: Iron Mountain on 27 August 2021.