May is a good month at Channel Islands — it ranks 5th of the twelve here. Expect about 28% fewer visitors than July, the park's peak — 25,871 visits on average. Days run around 68°F by afternoon and 54°F at night, with 13.9 hours of daylight.
May against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| May (this page) | Good | 25,871 | −28% | 68°F | 54°F | — | 13.9 h |
| January (best) | Excellent | 12,484 | −65% | 66°F | 46°F | — | 10.1 h |
| July (peak crowds) | Good | 35,866 | peak | 73°F | 61°F | — | 14.2 h |
Weather figures are for the Ventura Harbor area (mainland visitor center) — the Oxnard Ventura Co AP 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 Channel Islands?
Yes — a solid month, if not the very best. May ranks 5 of 12 at Channel Islands on crowds, weather, daylight, and access together.
How crowded is Channel Islands in May?
About 25,871 recreation visits on average — 28% below July, the park's peak.
How warm is Channel Islands in May?
Average highs around 68°F and lows around 54°F at the Oxnard Ventura Co AP station.
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