Best year time to visit Yellowstone

General weather information about Yellowstone

Average annual temperature is 13.4 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -10.1 °C

Number of sunny days: 200 days

Number of rainy days: 161 days

Number of snow days: 4 days

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

Yellowstone air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.421.223.127.730.433.534.034.832.329.525.115.5
Average daytime temperature (°C)7.411.612.218.924.127.930.028.726.820.013.29.1
Average temperature (°C)3.45.16.112.017.521.624.223.020.514.47.54.6
Average night temperature (°C)0.50.61.56.411.716.219.518.215.610.33.61.6
Absolute minimum temperature (°C)-7.5-10.1-7.4-0.93.711.016.813.011.7-1.8-7.2-6.9

Yellowstone monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.712.013.214.314.914.613.712.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.37.57.19.310.911.011.911.010.47.68.04.8
Precipitation (mm)126512171057258908743602459
Sunny days121714152121101718182314
Rainy days1811151510921141213716
Snow days102000000001

Yellowstone - weather forecast by months

Yellowstone weather in januaryYellowstone weather in februaryYellowstone weather in marchYellowstone weather in aprilYellowstone weather in mayYellowstone weather in juneYellowstone weather in julyYellowstone weather in augustYellowstone weather in septemberYellowstone weather in octoberYellowstone weather in novemberYellowstone weather in december

Best time to visit Yellowstone:

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

  • May — 10.9(h)
  • June — 11.0(h)
  • July — 11.9(h)
  • August — 11.0(h)

The largest precipitation sum in Yellowstone is at

  • January — 126(mm)
  • March — 217(mm)
  • April — 105(mm)

    • Weather forecast in the closest to Yellowstone admin centers

    Weather forecast in the closest towns to Yellowstone

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    Frequently asked questions

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