Rocky Mountain National Park in October
Rocky Mountain National Park · crowd + weather almanac
October crowd level
moderate
about 378,000 visits in a
typical October
The 5th-busiest month of the year ·
median of 2016–2025 official NPS counts
October is the 5th-busiest month of the year at Rocky Mountain National Park: about 378,000 recreation visits in a typical October (9% of the year's traffic, and 45% of what the peak month, July, sees). Crowds are middling — noticeably lighter than peak season. Weather-wise, October days at the Estes Park 3 Sse, CO station typically top out around 57°F with nights near 30°F, and about 1.1 inches of precipitation falls over the month. The station's long-term normal includes about 9 inches of October snowfall.
- Typical October: 378,083 recreation visits (median 2016–2025); the range across those years ran 297,665 (2020) to 474,957 (2022).
- Busier than 7 of the other 11 months.
- 1991–2020 October normals at Estes Park 3 Sse, CO: high 57°F, low 30°F, 1.12 in precipitation, 9.1 in snow.
- Similar daytime temperatures, thinner crowds: April typically runs 52°F days with about 58% fewer visits (159,000 vs 378,000).
October weather (1991–2020 normals)
| Typical daytime high | 57°F |
|---|---|
| Typical overnight low | 30°F |
| Precipitation (monthly normal) | 1.12 in |
| Snowfall (monthly normal) | 9.1 in |
| Measured at | Estes Park 3 Sse, CO (USC00052761), 3.2 mi from the park reference point, elev. 7,812 ft |
Every month at Rocky Mountain
| Month | Typical visits | Crowds | High / Low | Precip |
|---|---|---|---|---|
| January | 116,141 | quietest stretch | 37°F / 16°F | 0.8 in |
| February | 103,129 | quietest stretch | 38°F / 16°F | 0.7 in |
| March | 146,083 | quiet | 45°F / 21°F | 1.6 in |
| April | 158,630 | quiet | 52°F / 26°F | 2.3 in |
| May | 296,228 | quiet | 61°F / 35°F | 2.3 in |
| June | 656,255 | busy | 74°F / 43°F | 1.4 in |
| July | 848,669 | busiest stretch | 80°F / 48°F | 2.5 in |
| August | 711,030 | busy | 78°F / 46°F | 1.7 in |
| September | 633,288 | busy | 70°F / 39°F | 1.6 in |
| October | 378,083 | moderate | 57°F / 30°F | 1.1 in |
| November | 144,220 | quiet | 44°F / 24°F | 0.7 in |
| December | 121,697 | quietest stretch | 36°F / 16°F | 0.7 in |