Idaho City climate

Typical historical weather for Idaho City, 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 Idaho City.

Annual average

6.9°C

across all months

Warmest month

29.1°C

Jul average high

Coolest month

-8.3°C

Dec average low

Annual rainfall

784mm

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

36.6°C

10 August 2018

Coldest day

-24.6°C

18 December 2016

Wettest day

56.6mm

27 August 2025

Windiest day

4.9m/s

29 March 2021