Yellowstone National Park Weather in July
With daytime temperatures of 23°C (73°F) and nighttime lows of 4°C (39°F), July in Yellowstone National Park brings high temperatures during the day. It is also the driest month of the year, with minimal rainfall.
Rainfall in Yellowstone National Park in July
Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. Climate statistics over the past 30 years suggest around 9 days of rain, with 27 mm (1.1 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Yellowstone National Park in July
July in Yellowstone National Park is generally perfect, with days reaching 23°C (73°F) and nights settling around 4°C (39°F). The month of July belongs to the summer season. This kind of day-to-night contrast is typical for this time of year. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. On average, it is the month with the highest temperature of the year.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Yellowstone National Park's climate page.
Yellowstone National Park Temperature in July
Min Temperature
4°C (39°F)
Max Temperature
23°C (73°F)
Chance of Rain
30%
Precipitation
27 mm (1.1 in)
Rainy days
9 days
Daily Historical Temperatures
44-year average (1976-2025)
Based on our historical records, temperatures in Yellowstone National Park typically stay consistent throughout July, with daily highs averaging around 23°C (73°F). Nights are cold, with lows around 5°C (41°F).
Average temperatures in July
Daily Historical Precipitation
44-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Yellowstone National Park in July
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.
Yellowstone National Park historical weather extremes in July
Based on weather observations in Yellowstone National Park between 2004 and 2025, these are the recorded extremes during July.
- The hottest July day on record in Yellowstone National Park reached 30°C (86°F) (July 19, 2021).
- The coldest July day was on July 11, 2016, with a maximum of 9°C (48°F).
- Nighttime temperatures dropped to -2°C (28°F) on July 4, 2018, marking the coldest July night on record.
Best Places in the United States of America in July
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 July →
perfect weather
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What to Wear in Yellowstone National Park in July
For Yellowstone National Park in July, 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. Some rain is possible, so pack something to handle light showers.What To Do in Yellowstone National Park in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Yellowstone National Park's climate page.
See the full Yellowstone National Park climate overview or explore weather in the United States of America.
