Best year time to visit Ketchum

General weather information about Ketchum

Average annual temperature is 7.3 °C

Absolute maximum temperature: 31.9 °C

Absolute minimum temperature: -32.1 °C

Number of sunny days: 140 days

Number of rainy days: 179 days

Number of snow days: 46 days

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

Ketchum air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.68.27.324.829.231.929.226.130.026.812.511.7
Average daytime temperature (°C)0.7-1.23.211.318.020.025.021.921.715.34.72.9
Average temperature (°C)-3.1-6.6-1.15.411.715.720.617.416.710.80.2-1.1
Average night temperature (°C)-6.3-11.6-4.80.66.012.016.813.513.07.3-3.1-4.2
Absolute minimum temperature (°C)-14.2-32.1-10.2-9.5-2.66.411.69.07.2-2.3-9.1-12.8

Ketchum monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.86.87.47.711.27.19.79.58.65.76.44.4
Precipitation (mm)13444838516325025018212614162207
Sunny days61312161942814121816
Rainy days1043141226292316191013
Snow days151116000000022

Ketchum - weather forecast by months

Ketchum weather in januaryKetchum weather in februaryKetchum weather in marchKetchum weather in aprilKetchum weather in mayKetchum weather in juneKetchum weather in julyKetchum weather in augustKetchum weather in septemberKetchum weather in octoberKetchum weather in novemberKetchum weather in december

Best time to visit Ketchum:

The best time to visit Ketchum during the most sunny months:

  • May — 11.2(h)
  • July — 9.7(h)
  • August — 9.5(h)

Months with the longest average daylight duration in Ketchum:

  • June — 15.5(h)

The largest precipitation sum in Ketchum is at

  • June — 250(mm)
  • July — 250(mm)
  • August — 182(mm)
  • December — 207(mm)

    • Weather forecast in the closest to Ketchum admin centers

    Weather forecast in the closest towns to Ketchum

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    Frequently asked questions

    When is the best time to visit Ketchum?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Ketchum.
    What is the weather like in Ketchum?
    See average temperature, rainfall and daylight hours for Ketchum by month in the table above.
    How many sunny days does Ketchum have?
    The monthly weather statistics above show sunshine and rainfall patterns for Ketchum throughout the year.