Idaho City Weather in October
What's the weather like in Idaho City (Idaho) in October 2025?
The climate in Idaho City during October can be summarized as cool and reasonably dry.
October is in the fall / autumn in Idaho City and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night -1°C (31°F) is normal.
| Daytime temperature | 15.5°C 59.8°F |
|---|---|
| Nightly temperature | -0.9°C 30.5°F |
| Average temperature | 7.3°C 45.1°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 36 mm 1.4 ins |
| Rainy days | 6 days |
| Sea temperature | 13.1°C 55.7°F |
| Humidity | 56% |
| Windspeed | 13.3kph 8 mph |
On average October is the 6th driest month of the year in Idaho City with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
October temperatures in Idaho City
October rainfall
October hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Idaho City in October 2025.
Other monthly averages
Best places to visit in October
Idaho City weather stats
| Hottest month: | July | 28.5°C 83.3°F |
|---|---|---|
| Driest month: | July | 13mm 0.5ins |
| Sunniest month: | July | 13.6hrs |
| Coldest month: | January | -1°C 30.2°F |
| Wettest month: | January | 93mm 3.7ins |
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