Best year time to visit Iron Mountain

General weather information about Iron Mountain

Average annual temperature is 14.3 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -11.0 °C

Number of sunny days: 193 days

Number of rainy days: 168 days

Number of snow days: 4 days

* Weather data for Iron Mountain United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	18.0	20.0	23.3	27.5	30.2	36.5	35.2	36.9	31.3	28.4	25.6	17.6
Average daytime temperature (°C)	8.5	11.8	13.0	20.1	25.2	29.8	31.3	29.6	26.9	20.2	14.4	10.5
Average temperature (°C)	3.7	5.6	7.0	13.3	18.9	23.3	25.2	24.2	20.9	14.9	8.6	5.7
Average night temperature (°C)	0.5	1.3	2.6	8.0	13.8	17.6	20.4	20.1	16.3	10.9	4.4	2.6
Absolute minimum temperature (°C)	-11.0	-9.2	-7.4	0.5	5.9	12.1	16.3	13.4	11.5	-2.9	-4.9	-5.7

The best time to visit Iron Mountain during the most sunny months:

The largest precipitation sum in Iron Mountain is at

March — 251(mm)

July — 127(mm)

August — 185(mm)

When is the best time to visit Iron Mountain?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Iron Mountain.

What is the weather like in Iron Mountain?

See average temperature, rainfall and daylight hours for Iron Mountain by month in the table above.

How many sunny days does Iron Mountain have?

The monthly weather statistics above show sunshine and rainfall patterns for Iron Mountain throughout the year.