How Crowded Is Rio Grande in May?
May is a very quiet month at Rio Grande Wild & Scenic River, running about 0.4× the park's average month — roughly 3% of the year's visitors come in May. That puts it between the March peak and the August low. Overall our best-time score rates May as "Excellent" for a visit. Typical May weather averages a high near 91°F and a low around 64°F, with about 1.3" of precipitation. You'll get about 13.5 hours of daylight to explore.
Frequently Asked Questions
May is very quiet at Rio Grande Wild & Scenic River (about 0.4× the average month). Our best-time score rates it "Excellent". The single best month overall is September.
The busiest month is March and the quietest is August. May sits at about 0.4× the park's average, or 3% of annual visitation.
Source: National Park Service Visitor Use Statistics (1985–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.