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Great Basin · May
May is a good time to visit Great Basin — busier than April, quieter than June.
Expect moderate crowds (6/10), highs near 64°F, and about 14.3 hours of daylight.
Crowd score
A comfortable middle ground: some company on popular trails, but no gridlock.
About 52% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
May draws about 10% of Great Basin’s yearly visitors.
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
Source: NOAA 1991–2020 climate normals, GREAT BASIN NP, NV US
What's open
Park Grounds and Trails Check "Visitor Centers" tab for facility-specific hours
No seasonal road or area closures reported for this park.
Source: NPS Data API
Conditions
There currently is no water available in any campground in Great Basin National Park. Water is available at the RV Fill and Dump Station, the Great Basin, and the Lehman Caves Visitor Center as well as some local businesses.
Stage II Fire Restrictions are in effect at Great Basin National Park. Due to extreme fire danger, campfires, charcoal grills, and outdoor smoking are prohibited throughout the park. Gas and liquid-fueled stoves are permitted.
Source: NPS Data API
Context
Alternatives
FAQ
May rates 6/10 for crowds (Moderate) at Great Basin National Park — about 52% of its busiest month. Typical recreation visits: 14,844.
In May, Great Basin averages a high of 64°F and a low of 40°F, with about 1.3 inches of precipitation.
Entry to Great Basin is free.
Great Basin is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
In mid-May, Great Basin gets about 14.3 hours of daylight, with sunrise around 4:24 AM and sunset around 6:43 PM.