Rocky Mountain National Park in October
In October, Rocky Mountain National Park averages a high of 55°F and a low of 23°F, with 1.3 inches of precipitation (rain plus melted snow) and 7.4 inches of snowfall. About 391,000 people visit, the 5th busiest of 12 (moderate). Days are 11 hours 04 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 55° / 23°F
- Precipitation
- 1.3in
- Snow
- 7.4in
- Daylight
- 11h 4m
- Visitors
- 391,000
- Crowds
- Moderate
Best months for weather and crowds instead: June (very busy).
Higher or lower in the park, expect a different picture: Waterdale, CO at 5,230 ft averages a October high of 63°F and a low of 34°F.
Weather 1991–2020 averages at Grand Lake 1 NW, CO, 9.2 miles from the park's center, 8,720 ft. Second station lower down: Waterdale, CO, 5,230 ft, 26.4 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in October
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Black Canyon of the Gunnison National Park | 60° / 33° | Busy | Mild, wet |
| Great Sand Dunes National Park | 60° / 33° | Moderate | Mild |
| Arches National Park | 72° / 44° | Busy | Mild, wet |
| Wind Cave National Park | 61° / 34° | Quiet | Mild, wet |
| Mesa Verde National Park | 63° / 39° | Busy | Mild, wet |
Closures, reservations and alerts: Rocky Mountain National Park on nps.gov
All twelve months at Rocky Mountain · National parks to visit in October