San Juan National Historic Site visitation by month and year
July is the busiest month at San Juan, when the average temperature nearby is 82 degrees. September is the quietest, and the average temperature then is 82 degrees. The gap between them is narrow, 128,816 against 52,727. The temperature changes little from month to month here. Annual visits rose 17.1 percent from 1,197,345 in 2019 to 1,402,132 in 2025.
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Visits by month, with temperature and precipitation
Annual visits, 1979 to 2025
The last ten years
| Year | Recreation visits | Change on prior year |
|---|---|---|
| 2025 | 1,402,132 | +5.4% |
| 2024 | 1,329,728 | +1.1% |
| 2023 | 1,314,819 | +28.0% |
| 2022 | 1,027,264 | +28.7% |
| 2021 | 798,188 | +123.5% |
| 2020 | 357,100 | -70.2% |
| 2019 | 1,197,345 | +31.5% |
| 2018 | 910,405 | -23.4% |
| 2017 | 1,188,780 | -18.4% |
| 2016 | 1,456,553 | -5.0% |
Visitation at other parks
Source: NPS Visitor Use Statistics, monthly recreation visits, as compiled for Publicopia Labs. A year is shown only when all twelve months were reported. Temperature, precipitation and snowfall normals are the 1991 to 2020 monthly averages published by NOAA NCEI for station RQC00669415, 28 feet above sea level. Data refreshed October 14, 2026.