How Crowded Is City Of Rocks in May?
May is a very busy month at City Of Rocks National Reserve, running about 1.9× the park's average month — roughly 16% of the year's visitors come in May. That puts it between the June peak and the February low. Overall our best-time score rates May as "Poor" for a visit. Typical May weather averages a high near 69°F and a low around 42°F, with about 2.1" of precipitation. You'll get about 14.4 hours of daylight to explore.
Frequently Asked Questions
May is very busy at City Of Rocks National Reserve (about 1.9× the average month). Our best-time score rates it "Poor". The single best month overall is July.
The busiest month is June and the quietest is February. May sits at about 1.9× the park's average, or 16% of annual visitation.
Source: National Park Service Visitor Use Statistics (1992–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.