October in Yellowstone National Park is a shoulder month: highs around 52°F, lows around 28°F. Crowds: quiet — #6 busiest of the park's 12 months. Roads begin closing for winter; snow arrives early. The editorial best window here is June & September. You get about 10h 59m of daylight. To finish Mount Washburn (2h 45m) before dark, leave the trailhead by about 3:51 PM.
Month data reviewed · how we check this
| Verdict | Shoulder Quiet and rewarding if you accept reduced services or weather. |
|---|---|
| Temps °F | 52° high / 28° low |
| Crowds | quiet · #6 busiest of the park's 12 months |
| What October is like | Roads begin closing for winter; snow arrives early |
| Best window (whole year) | June & September |
| Peak crowds (whole year) | Jul–Aug |
CROWDS: RELATIVE SEASONALITY FROM NPS VISITATION STATISTICS · TEMPS: APPROXIMATE NOAA NORMALS AT MAIN VISITOR ELEVATION — HIGH COUNTRY RUNS 10–20°F COLDER
DAYLIGHT ON OCTOBER 15 · LOCAL PARK TIME (MDT)COMPUTED FROM THE PARK'S OWN COORDINATES FOR THE 15TH — THE MIDDLE OF THE MONTH STANDS FOR IT, AS IT DOES FOR CLIMATE NORMALS. WITHIN A MONTH THESE TIMES SHIFT BY UP TO AN HOUR
LEAVE THE TRAILHEAD BY — TO FINISH BEFORE DARK ON OCTOBER 15WALKING TIMES ESTIMATED FROM EACH TRAIL'S MEASURED DISTANCE AND ELEVATION GAIN — A PLANNING FIGURE, NOT A PACE. ADD YOUR OWN MARGIN FOR PHOTOS, REST AND CROWDS. WATER AT THE COOL-WEATHER RATE, BECAUSE THIS MONTH AVERAGES 52°F. TRAILS WE HAVE NOT MEASURED ARE LEFT OUT RATHER THAN GUESSED
WHAT OCTOBER ASKS OF YOU HEREYellowstone National Park in November — Tough, highs around 37°F, crowds: very quiet (most roads closed by early november).
Our verdict for October is "Shoulder". Quiet and rewarding if you accept reduced services or weather. Expect highs around 52°F and lows around 28°F, with crowds at the "quiet" level. Temperatures are approximate NOAA normals at the main visitor elevation; crowd levels follow published NPS visitation statistics.
Across the full 12-month review, the best window is June & September, and the peak-crowd months are Jul–Aug. October itself we rate "Shoulder".
November we rate "Tough" against "Shoulder" for October, with highs around 37°F and crowds at the "very quiet" level.
About 10h 59m on October 15: the sun rises around 7:37 AM and sets around 6:37 PM local park time (MDT). Computed from the park's own coordinates, so it is the light you actually get at the trailhead, not the nearest city's.
Mount Washburn takes about 2h 45m of walking, so on October 15 you would need to leave the trailhead by about 3:51 PM to finish before dark — the sun sets around 6:37 PM local park time (MDT). Walking times are estimated from each trail's measured distance and elevation gain, so treat them as a planning figure and add your own margin for photos, rest and crowds.
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