ClimateForecastNovemberDecember >>

Ketchum (ID) Climate by Month

Ketchum experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It typically sees modest rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The climate in Ketchum is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 27°C in July. In January, the coolest month of the year, temperatures drop to a very cold -0°C. At night, expect cooler temperatures, averaging -12°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Ketchum maintains relatively dry conditions year-round, recording average annual precipitation of 487 mm. Ketchum can be quite wet during December, receiving approximately 83 mm of precipitation over 15 snowy days. In contrast July, experiences much drier conditions, with 11 mm of rainfall, spread across 5 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Ketchum in the United States of America

During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Ketchum have a dry season?
    Yes, the months of July and August are very dry.
  • When is winter in Ketchum?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Ketchum?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Ketchum?
    The coldest month is January with an average maximum temperature of -0°C.
  • Which is the wettest month in Ketchum?
    December tops the wettest month list with 83 mm of rainfall.
  • Which is the driest month in Ketchum?
    July is the driest month with 11 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Ketchum (ID)

    Fri   Nov 22
    9°C | 0°C
    NW 4 km/h
    12 mm
    broken clouds and sleet

    broken clouds and sleet

    Sat   Nov 23
    7°C | -1°C
    S 14 km/h
    27 mm
    overcast and heavy sleet

    overcast and heavy sleet

    Sun   Nov 24
    5°C | -10°C
    N 7 km/h
    clear and no rain

    clear and no rain