June in Yellowstone National Park averages 18°C (64°F) during the day and 1°C (34°F) at night. Around 58 mm (2.3 in) of rainfall is typical for this time of year.
For Yellowstone National Park itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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Pick a month to see the average temperature, rainfall and sunshine in Yellowstone National Park - and find the best time to visit.
46-year average (1976-2025)
Based on our historical records, temperatures in Yellowstone National Park typically rise from around 15°C (59°F) at the start of June to approximately 21°C (70°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 4°C (39°F).
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Yellowstone National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 25 years of weather observations in Yellowstone National Park between 2001 and 2026, these are the recorded extremes.
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in June →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
For Yellowstone National Park in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Yellowstone National Park climate overview or explore weather in the United States of America.
Where to go in June - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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