Best time to visit Yellowstone National Park
A month-by-month weather verdict for Yellowstone National Park, United States, scored on temperature, rain, sunshine and humidity.
Quick verdict by month
Jan49
Feb50
Mar53
Apr51
May66
Jun85
Jul95
Aug95
Sep89
Oct63
Nov49
Dec46
Best months
JulyAugustSeptember
What makes July best
22°CAvg high
14hSun / day
8Rain days
Months to avoid
November–January are the weakest stretch, mainly down to the wet season.
Timing by trip style
- HikingJune–September
Better in July nearby
- Victoria, Canada99/100
- Anaheim, United States97/100