How Crowded Is Russell Cave in May?
May is a busy month at Russell Cave National Monument, running about 1.2× the park's average month — roughly 10% of the year's visitors come in May. That puts it between the April peak and the January low. Overall our best-time score rates May as "Fair" for a visit. Typical May weather averages a high near 78°F and a low around 56°F, with about 4.2" of precipitation. You'll get about 13.8 hours of daylight to explore.
Frequently Asked Questions
May is busy at Russell Cave National Monument (about 1.2× the average month). Our best-time score rates it "Fair". The single best month overall is September.
The busiest month is April and the quietest is January. May sits at about 1.2× the park's average, or 10% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.