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Channel Islands · August
August is the busiest time to visit Channel Islands — quieter than July, busier than September.
Expect peak crowds (9/10), highs near 72°F, about 13.4 hours of daylight, and 2 seasonal closures in effect.
Crowd score
The park's busiest time. Reservations, early starts, and patience recommended.
About 81% 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
August draws about 10% of Channel Islands’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, SANTA BARBARA 11 W, CA US
This week
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Wed 26 | Overcast | 72°F | 68°F | 0% |
| Thu 27 | Overcast | 72°F | 69°F | 3% |
| Fri 28 | Overcast | 73°F | 69°F | 4% |
| Sat 29 | Clear | 70°F | 67°F | 0% |
| Sun 30 | Clear | 69°F | 65°F | 0% |
| Mon 31 | Clear | 69°F | 64°F | 4% |
| Tue 1 | Overcast | 73°F | 66°F | 16% |
Forecast data by Open-Meteo
Source: Open-Meteo
What's open
The park is open 24 hours a day. Services and facilities have separate hours. Please see descriptions of those facilities elsewhere.
Seasonal closures may apply:
Santa Barbara Island is open to public access, but landings are restricted to the rocky ledge adjacent to the dock. The dock is closed and is not expected to be repaired in the near future due to the severe winter storm damage.
Details on nps.gov →Santa Rosa Island reopens to limited day use on July 1. No overnight visits are allowed. Burned areas, including Water Canyon Campground, remain closed through at least August 13. Click the more link for additional information.
Details on nps.gov →Source: NPS Data API
Conditions
Santa Barbara Island is open to public access, but landings are restricted to the rocky ledge adjacent to the dock. The dock is closed and is not expected to be repaired in the near future due to the severe winter storm damage.
Details on nps.gov →Santa Rosa Island reopens to limited day use on July 1. No overnight visits are allowed. Burned areas, including Water Canyon Campground, remain closed through at least August 13. Click the more link for additional information.
Details on nps.gov →Source: NPS Data API
Context
Alternatives
FAQ
August rates 9/10 for crowds (Peak) at Channel Islands National Park — about 81% of its busiest month. Typical recreation visits: 27,105.
In August, Channel Islands averages a high of 72°F and a low of 57°F, with about 0.0 inches of precipitation.
Entry to Channel Islands is free.
Channel Islands is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
In mid-August, Channel Islands gets about 13.4 hours of daylight, with sunrise around 5:21 AM and sunset around 6:45 PM.