nomadseason

October Weather in Idaho City, United States

Last updated: June 24, 2025

In October, the average temperature in Idaho City, United States hovers around 6°C (43°F). However, be prepared for a range of temperatures: it can drop to a chilly -14°C (7°F) or rise to a balmy 24°C (76°F). With an average precipitation of 51 mm (2.0 in) over 8 days, and humidity levels around 65%, you'll want to dress in layers and be ready for varying weather conditions!

October Temperature in Idaho City

In October in Idaho City, the average temperature is 6°C (43°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -14°C (7°F). Be prepared for a wide range of weather conditions when traveling to Idaho City during this time.

October Weather in Idaho City: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Idaho City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Idaho City, October typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (76°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec252635404959706858433325
Data source: Temperature data for Idaho City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Idaho City

In Idaho City in October, the total precipitation amount is 51 mm (2.0 in), spread over a duration of 8 days.

October Precipitation Trends in Idaho City

The chart displays monthly precipitation patterns in Idaho City, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Idaho City, October typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec981269079684752131517785
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Idaho City

In Idaho City in October, humidity is 65%. With an average temperature of 6°C (43°F), this humidity feels like a chilly fog wrapping around you, making it essential to dress warmly while exploring the sights.

October Average Humidity in Idaho City

This chart illustrates the average monthly humidity levels in Idaho City, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Idaho City is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Idaho City

In Idaho City in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Idaho City, you can refer to this Hourly UV Index in Idaho City.

Maximum UV Index Levels in Idaho City for October

The chart shows the monthly maximum UV Index (UVI) for Idaho City in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Idaho City typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111109642
Data source: Idaho City October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Idaho City Compares to Other Months

Weather in Idaho City varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Idaho City, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Idaho City, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)98 mm (3.9 inches)88%moderate
February Weather-3°C (26°F)126 mm (5.0 inches)89%moderate
March Weather1°C (35°F)90 mm (3.6 inches)85%high
April Weather4°C (40°F)79 mm (3.1 inches)79%very high
May Weather9°C (49°F)68 mm (2.7 inches)71%extreme
June Weather15°C (60°F)47 mm (1.8 inches)71%extreme
July Weather21°C (70°F)5 mm (0.2 inches)66%extreme
August Weather20°C (68°F)20 mm (0.8 inches)50%very high
September Weather14°C (58°F)31 mm (1.2 inches)48%very high
October Weather6°C (43°F)51 mm (2.0 inches)65%high
November Weather1°C (33°F)77 mm (3.0 inches)84%moderate
December Weather-4°C (25°F)85 mm (3.4 inches)87%low

Compare Idaho City's Climate with Cities Worldwide