
The Best Time to Visit Yellowstone
Yellowstone is really a summer park with two golden shoulders. Roads open in stages through spring, the crowds peak hard in July and August, and by November most of the park closes to cars. Get the month right and you'll have geysers, bears and bison without the gridlock.
When is the best time to visit Yellowstone?
The best time to visit Yellowstone is late April to May and September: park roads are open (or opening), wildlife is at its most active - spring babies and the fall elk rut - and the crowds and prices sit well below the July-August peak. Summer (June to August) has the best weather and full access, but it's the busiest window by far. Most park roads close to regular cars from early November to mid-April, when the park becomes a snowcoach and snowmobile trip instead.
Best time to go
Late April–May & September
Cheapest time
April–early May & October
When to avoid
November & March–early April (roads closed)
Yellowstone climate at a glance
Avg daytime high (°C / °F) · rainfall · season- -1°30°FJan
- 2°36°FFeb
- 6°43°FMar
- 10°50°FApr
- 15°59°FMay
- 20°68°FJun
- 26°79°FJul
- 25°77°FAug
- 19°66°FSep
- 12°54°FOct
- 4°39°FNov
- -1°30°FDec
Every month in Yellowstone is rated for weather, crowds and price. Drag the slider to find your sweet spot — the greener the month, the better value the trip.
Cheapest window: April–early May & October
October: $ · Low crowds · 12°C, cold nights
Yellowstone month by month
Every month rated for weather, crowds and price, so you can match the trip to the month.
| Month | Weather | Crowds | Price | What it's like |
|---|---|---|---|---|
| Jan | -1°C, deep snow | Low | $$ | Winter season: the interior is reachable only by guided snowcoach or snowmobile from West Yellowstone. Steaming geysers in the snow are unforgettable. |
| Feb | 2°C, snowy | Low | $$ | Still full winter and prime for wolf-watching in Lamar Valley - the north road to Cooke City stays open to cars all year. |
| Mar | 6°C, melting snow | Low | $ | The awkward gap: winter touring ends mid-month but the roads haven't opened for cars. Little of the park is reachable. |
| Apr | 10°C, thawing | Low | $ | Roads begin reopening from mid-April (West Entrance first). Bears emerge with cubs, bison calves arrive - and almost nobody is there yet. |
| May | 15°C, fresh, showery | Moderate | $$ | One of the best months: most roads open by late May, wildlife-watching peaks with spring babies, and summer crowds haven't landed. |
| Jun | 20°C, mild | High | $$$ | Everything is open, waterfalls run at full force and days are long. Crowds build fast after mid-month as school lets out. |
| Jul | 26°C, warm, dry | Peak | $$$ | The warmest month and the busiest of the year - expect full parking lots at Old Faithful and Grand Prismatic by mid-morning. |
| Aug | 25°C, warm, dry | Peak | $$$ | Peak season continues: superb weather, big crowds. Go at dawn and dusk for wildlife and the famous sights to yourself. |
| Sep | 19°C, crisp, clear | Moderate | $$ | The connoisseur's month - the elk rut echoes through the valleys, aspens turn gold and the summer crowds fall away fast. |
| Oct | 12°C, cold nights | Low | $ | Quiet and cheap with real solitude, but services wind down and roads start closing from early November - check dates. |
| Nov | 4°C, snow arriving | Low | $ | Most roads close to cars in early November and the winter season hasn't started - the park is largely inaccessible. |
| Dec | -1°C, deep winter | Low | $$ | Winter touring starts mid-December: snowcoach trips to Old Faithful and frozen waterfalls, booked as guided tours. |
Time it right: Yellowstone's seasonal highlights
Baby wildlife season
Late April–JuneBison calves, bear cubs and elk calves fill the valleys - the best wildlife-watching of the year, before the biggest crowds arrive.
Elk rut
September–early OctoberBull elk bugle across Mammoth and the northern valleys - autumn's signature spectacle, in crisp weather with golden aspens.
Road opening season
Mid-April–late MayRoads reopen in stages (West Entrance usually first, Beartooth Highway last). Check the park's road status page before an early trip.
Winter snowcoach season
Mid-December–FebruaryThe interior opens to guided snowcoach and snowmobile tours only - steaming geysers, frozen falls and wolf-watching in Lamar Valley.
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