Yellowstone National Park

    United States

    America's first national park encompasses a massive volcanic caldera filled with geysers, hot springs, and roaming bison.

    Warmest month is July at 23°C on average. Coolest is January at -6°C. Driest reading falls in July with 4 rain days.

    Costs and travel essentials

    • CoffeeWorld Bank PPP baseline
      $4.50 (~$4.50)
      Country-level price estimate for United States, 2026-07-11. Scaled from a US baseline, not a local survey.
    • BeerWorld Bank PPP baseline
      $6.00 (~$6.00)
      Country-level price estimate for United States, 2026-07-11. Scaled from a US baseline, not a local survey.
    • Flight timeMethodology
      10h from London Heathrow
      Great-circle plus routing overhead.
    • Flight CO2eDEFRA 2024 factors
      2,834 kg return from London Heathrow
      DEFRA 2024 economy factors, includes radiative forcing.
    • FCDO advisorygov.uk, snapshot compiled 2026-07-11
      No specific FCDO warnings against travel.
      Check the latest FCDO advice before booking.
    • Tap waterCDC / WHO guidance
      Tap water is generally safe to drink.
    MonthAvg highDaily spreadRain days
    January-6°11°C12
    February-4°12°C14
    March1°12°C13
    April5°14°C12
    May11°13°C11
    June17°14°C8
    July23°8°C4
    August21°10°C6
    September17°15°C6
    October8°17°C10
    November1°14°C10
    December-4°12°C12

    What to do

    • Watch Old Faithful erupt
    • Admire the Grand Prismatic Spring
    • Spot wolves in the Lamar Valley
    • Hike the Grand Canyon of the Yellowstone

    How we know this

    Values are the average of the last ten calendar years of daily readings from Visual Crossing, snapped to the destination cluster. Daily spread is the width between the 10th and 90th percentiles of daily highs, not a forecast error margin. Rain days count any day with at least 1 mm of precipitation.