May is a good month at Crater Lake — it ranks 4th of the twelve here. Expect about 78% fewer visitors than July, the park's peak — 36,245 visits on average. Days run around 49°F by afternoon and 29°F at night, with 14.6 hours of daylight. The Crater Lake Nps HQ station's normals show about 15 inches of snow for the month — check road status before you commit.
May against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| May (this page) | Good | 36,245 | −78% | 49°F | 29°F | 14.5" | 14.6 h |
| June (best) | Excellent | 72,067 | −56% | 57°F | 34°F | 3.7" | 15.3 h |
| July (peak crowds) | Good | 164,423 | peak | 69°F | 41°F | 0" | 15 h |
Weather figures are for the Rim Village area (about 7,000 ft) — the Crater Lake Nps HQ 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 Crater Lake?
Yes — a solid month, if not the very best. May ranks 4 of 12 at Crater Lake on crowds, weather, daylight, and access together.
How crowded is Crater Lake in May?
About 36,245 recreation visits on average — 78% below July, the park's peak.
How warm is Crater Lake in May?
Average highs around 49°F and lows around 29°F at the Crater Lake Nps HQ station, with about 15 inches of snow across the month.
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