Yellowstone weather
Ten-year climate averages, month by month
Yellowstone in august
Current month averages, based on ten years of records. Read the full guide →
Yellowstone sits at 44°25′N 110°35′W in United States, in North America. Its climate profile is shaped by these coordinates — and the ten years of records below reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Yellowstone weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Yellowstone.
Places that feel like Yellowstone in august
Yellowstone weather — FAQ
Q01When is the best time to visit Yellowstone?
When is the best time to visit Yellowstone?
The best months to visit Yellowstone are June, July, August, September. Ten-year daily records show these months hold the most stable mix of temperature, rainfall and sunshine.
Q02What is the hottest month in Yellowstone?
What is the hottest month in Yellowstone?
July runs the highest averages in Yellowstone, with typical daytime highs of 22°C (71°F). Plan around midday and consider accommodation with reliable cooling.
Q03What is the coldest month in Yellowstone?
What is the coldest month in Yellowstone?
January brings the lowest averages, with daytime highs near -6°C (21°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q04Which month has the most rain in Yellowstone?
Which month has the most rain in Yellowstone?
February typically records the highest monthly rainfall — around 76mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q05What is the climate like in Yellowstone?
What is the climate like in Yellowstone?
Yellowstone, United States has mild summers, freezing winters. You can read the detailed month-by-month breakdown on this page.