Channel Islands National Park weather in October
October in Channel Islands National Park: nice, dry, with clean air — an excellent time to visit.
#6 of 12 months in Channel Islands National Park · #79 of 604 destinations to visit in October · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Channel Islands National Park climate normals — October
| Daytime high | 19°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 60°F | |
| Feels like (high) | 18°C / 64°F | |
| Rainfall | 4 mm / 0.1 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.3 h | |
| Wind | 27 km/h / 17 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Channel Islands National Park?
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Channel Islands National Park in October — FAQ
- Is October a good time to visit Channel Islands National Park?
- October in Channel Islands National Park: nice, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Channel Islands National Park on SeasonMap's comfort score (88/100).
- What is the weather like in Channel Islands National Park in October?
- In October, Channel Islands National Park averages a daily high of 18.5°C and a low of 15.3°C, with about 3.5 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Channel Islands National Park in October?
- Channel Islands National Park has a mean US Air Quality Index of about 33 in October.