August is a good month at Channel Islands — it ranks 11th of the twelve here. Expect about 15% fewer visitors than July, the park's peak — 30,400 visits on average. Days run around 74°F by afternoon and 61°F at night, with 13.4 hours of daylight.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Good | 30,400 | −15% | 74°F | 61°F | — | 13.4 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 August a good time to visit Channel Islands?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. August ranks 11 of 12 at Channel Islands on crowds, weather, daylight, and access together.
How crowded is Channel Islands in August?
About 30,400 recreation visits on average — 15% below July, the park's peak.
How warm is Channel Islands in August?
Average highs around 74°F and lows around 61°F at the Oxnard Ventura Co AP station.
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