Visitation · National Monument

Fort Union National Monument visitation by month and year

June is the busiest month at Fort Union, when the average temperature nearby is 66 degrees. January is the quietest, and the average temperature then is 33 degrees. June runs about 3.5 times the visits of January. The crowd arrives with the warm weather and leaves with it. Annual visits fell 29.4 percent, from 11,063 in 2019 to 7,813 in 2025.

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Visits by month, with temperature and precipitation

Visits by month with average temperature, precipitation, snowfall, Fort Union03006009001.2kJanuary: 330 visits on average, 32.7°FJanFebruary: 401 visits on average, 35.4°FFebMarch: 1,008 visits on average, 41.4°FMarApril: 839 visits on average, 48.1°FAprMay: 1,010 visits on average, 56.5°FMayJune: 1,160 visits on average, 65.6°FJunJuly: 1,081 visits on average, 69.9°FJulAugust: 822 visits on average, 68.0°FAugSeptember: 851 visits on average, 61.5°FSepOctober: 791 visits on average, 51.3°FOctNovember: 653 visits on average, 40.9°FNovDecember: 408 visits on average, 32.8°FDecJanuary: 32.7°F averageFebruary: 35.4°F averageMarch: 41.4°F averageApril: 48.1°F averageMay: 56.5°F averageJune: 65.6°F averageJuly: 69.9°F averageAugust: 68.0°F averageSeptember: 61.5°F averageOctober: 51.3°F averageNovember: 40.9°F averageDecember: 32.8°F average30°F40°F50°F60°F70°FVisitsRain and snow, inches0.0 in2.0 in4.0 in6.0 inJanuary: 0.40 in precipitationFebruary: 0.60 in precipitationMarch: 0.69 in precipitationApril: 0.79 in precipitationMay: 1.50 in precipitationJune: 1.71 in precipitationJuly: 3.07 in precipitationAugust: 2.75 in precipitationSeptember: 2.10 in precipitationOctober: 1.21 in precipitationNovember: 0.53 in precipitationDecember: 0.52 in precipitationJanuary: 4.2 in snowFebruary: 4.7 in snowMarch: 3.4 in snowApril: 2.4 in snowMay: 0.1 in snowJune: 0.0 in snowJuly: 0.0 in snowAugust: 0.0 in snowSeptember: 0.0 in snowOctober: 0.8 in snowNovember: 2.7 in snowDecember: 5.4 in snow
Bars are the average recreation visits in each month over 2021 to 2025. The line is the average temperature at Valmora, 8 miles from the park's reference point at 6,325 feet, station USC00299330 in the NOAA 1991 to 2020 climate normals. The lower panel is monthly rain and snow from the same station, also 1991 to 2020 averages.

Annual visits, 1979 to 2025

Annual recreation visits, Fort Union05k10k15k20k198019902000201020201979: 10,4351980: 10,7871981: 11,7201982: 12,1761983: 12,4131984: 13,1051985: 13,3621986: 13,4411987: 14,4351988: 18,1411989: 20,0111990: 17,0311991: 22,2791992: 19,9701993: 21,2151994: 20,3011995: 19,4591996: 19,3741997: 17,8831998: 15,4691999: 16,0222000: 14,2582001: 15,1002002: 13,1982003: 12,9442004: 13,2302005: 11,6452006: 10,3472007: 10,5342008: 9,1712009: 11,0702010: 10,6382011: 9,5752012: 9,2152013: 8,9652014: 10,9342015: 11,7262016: 11,9532017: 11,6762018: 10,8602019: 11,0632020: 5,3342021: 12,6182022: 7,5572023: 9,5702024: 9,2172025: 7,8132025: 8k
Recreation visits per calendar year. A year with a missing month is left blank rather than estimated.

The last ten years

YearRecreation visitsChange on prior year
20257,813-15.2%
20249,217-3.7%
20239,570+26.6%
20227,557-40.1%
202112,618+136.6%
20205,334-51.8%
201911,063+1.9%
201810,860-7.0%
201711,676-2.3%
201611,953+1.9%

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 USC00299330, 6,325 feet above sea level. Data refreshed October 14, 2026.