How Crowded Is Saint Croix in May?
May is a busy month at Saint Croix National Scenic Riverway, running about 1.4× the park's average month — roughly 12% of the year's visitors come in May. That puts it between the July peak and the December low. Overall our best-time score rates May as "Good" for a visit. Typical May weather averages a high near 68°F and a low around 46°F, with about 4.2" of precipitation. You'll get about 14.7 hours of daylight to explore.
Frequently Asked Questions
May is busy at Saint Croix National Scenic Riverway (about 1.4× the average month). Our best-time score rates it "Good". The single best month overall is June.
The busiest month is July and the quietest is December. May sits at about 1.4× the park's average, or 12% of annual visitation.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-06-20.