May is an excellent month at Great Basin — it ranks 2nd of the twelve here. Expect about 42% fewer visitors than July, the park's peak — 15,173 visits on average. Days run around 64°F by afternoon and 40°F at night, with 14.3 hours of daylight.
May against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| May (this page) | Excellent | 15,173 | −42% | 64°F | 40°F | 0.7" | 14.3 h |
| April (best) | Excellent | 8,053 | −69% | 55°F | 32°F | 7.2" | 13.2 h |
| July (peak crowds) | Good | 26,101 | peak | 85°F | 58°F | 0" | 14.6 h |
Weather figures are for the Lehman Caves area (about 6,800 ft) — the Great Basin NP station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is May a good time to visit Great Basin?
Yes — it is one of the best months of the year here. May ranks 2 of 12 at Great Basin on crowds, weather, daylight, and access together.
How crowded is Great Basin in May?
About 15,173 recreation visits on average — 42% below July, the park's peak.
How warm is Great Basin in May?
Average highs around 64°F and lows around 40°F at the Great Basin NP station.
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