July in Yellowstone: climate and what to expect
“Mild and bright — an underrated time to visit.”
Roughly 9 rainy days across the month, on average.
July at Yellowstone hits a sweet spot: daytime highs around 22°C (72°F) with nights dropping to a crisp 8°C (46°F). You'll see roughly 14 hours of daylight daily, with over 34mm of rain spread across about 9 days—mostly afternoon thunderstorms that clear quickly. Mornings feel fresh and sometimes damp, but by midday the sun dominates and the thermal features steam less visibly. Evenings require layers as temperature plummets fast once the sun dips behind the mountains.
July is peak season at Yellowstone. Families flood the park, geysers draw crowds at predictable intervals, and campgrounds fill by mid-morning. The Grand Prismatic Spring glows its most vivid blues when the sun is highest. Local rangers say July is when most visitors snap their best photos. Accommodation and tour prices sit at annual highs, though the energy is infectious—you'll see multigenerational road trips, international tour groups, and serious hikers tackling the backcountry. Restaurants in gateway towns operate full hours and trails are well-maintained but busy.
Over the past decade, July temperatures have held remarkably stable, hovering within 1–2°C of historical norms. Rainfall has been slightly variable—some years see drier spells, others more frequent afternoon showers—but 34.5mm remains a reliable expectation. 2026 forecasts align with the long-term July baseline, suggesting a typical summer pattern with no unusual heat waves or drought stress predicted.
July suits families with school holidays, serious photographers chasing golden light and thermal drama, and hikers who want reliable (if cool) nights for camping. If you're planning for 2026, book accommodation by April and expect to share trails and viewpoints. Bring layers, waterproof jackets, and patience for crowds—but the payoff is Yellowstone at its most visually stunning.
Yellowstone sits on a supervolcano caldera — the ground literally breathes, and 2,000 earthquakes hit annually. The correct name for the local town is 'Gardiner' (north entrance) or 'West' (west entrance), never 'West Yellowstone town.' Bison kill more visitors than bears; the 25-yard rule exists because of Instagram tourists. Rangers hate the term 'buffalo' — they are bison, biologically distinct. The park closes most concessions by October 15 and the interior is a wildlife-only zone until May. Reserve Old Faithful Inn a year ahead; day-of-arrival gets you nothing.
What to pack for Yellowstone in July
Layer strategically. Mornings and evenings demand insulation; afternoons often feel pleasant in shirtsleeves. Afternoon thunderstorms are common, so pack a compact rain shell. Sturdy hiking boots handle uneven geothermal boardwalks and muddy trails after rain.
- Merino wool base layer (thermal regulation)
- Light rain jacket (packable nylon)
- Fleece vest or down gilet
- Hiking boots with good grip
- Wide-brimmed hat (sun and sudden showers)
What to pack for Yellowstone in July
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Where to stay in Yellowstone
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Peak season prices — book early or shift by 2–3 weeks to save. Rule-based estimates from a couple based in London — actual prices vary.
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Things worth doing
Early-morning geyser watching at Old Faithful, afternoon hikes to Lamar Valley for wildlife, evening boardwalk walks at Grand Prismatic Spring, backcountry camping in Shoshone National Forest.
July vs. the rest of the year
How this month compares in Yellowstone. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Yellowstone
July is one of the best months to visit Yellowstone — alongside June, August, September. 11-year climate data (2015–2025) confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for YellowstoneOther places with a similar climate right now
Yellowstone in July — FAQ
Q01Should I visit Yellowstone in July?
Should I visit Yellowstone in July?
Yes — this is one of the best months of the year to visit. In July, Yellowstone averages a high of 22°C (71°F) and a low of 8°C (46°F), with 34mm of rainfall across roughly 9 rainy days. Late May through early June bison calving fills Lamar Valley with 'red dogs' and Beartooth Pass opens without July's traffic jams at Old Faithful.
Q02What temperatures should I expect in Yellowstone during July?
What temperatures should I expect in Yellowstone during July?
The average high temperature in Yellowstone during July is 22°C (71°F), with an average low of 8°C (46°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive). July 28C afternoons draw crowds; locals (park staff, gateway town residents) hike Mt. Washburn at dawn or fish the Firehole where geothermal warms the water year-round.
Q03Is July a rainy month in Yellowstone?
Is July a rainy month in Yellowstone?
Yellowstone averages approximately 9 rainy days in July, with a total monthly rainfall of about 34mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04How should I dress for Yellowstone in July?
How should I dress for Yellowstone in July?
For Yellowstone in July, pack layered clothing for changing temperatures, a merino base layer for evenings, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month. Bear spray canister (buy in Bozeman or gateway towns, not park stores) — the airlines ban carrying it, and rangers will fine you for hiking without it.
Q05Is July a busy travel month for Yellowstone?
Is July a busy travel month for Yellowstone?
Tourist crowds in Yellowstone during July are typically moderate. Consider this when planning accommodation — prices track crowd levels closely. Yellowstone sits on a supervolcano caldera — the ground literally breathes, and 2,000 earthquakes hit annually. The correct name for the local town is 'Gardiner' (north entrance) or 'West' (west entrance), never 'West Yellowstone town.' Bison kill more visitors than bears; the 25-yard rule exists because of Instagram tourists. Rangers hate the term 'buffalo' — they are bison, biologically distinct. The park closes most concessions by October 15 and the interior is a wildlife-only zone until May. Reserve Old Faithful Inn a year ahead; day-of-arrival gets you nothing.