Channel Islands National Park weather in April
April in Channel Islands National Park: cool, dry, with clean air — an excellent time to visit.
#7 of 12 months in Channel Islands National Park · #114 of 604 destinations to visit in April · comfort 87/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Channel Islands National Park climate normals — April
| Daytime high | 15°C / 58°F | 🙂 cool |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 11 mm / 0.4 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 9°C / 47°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 13 h | |
| Wind | 36 km/h / 22 mph | |
| Air quality (US AQI) | 41 | 🍃 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 April — FAQ
- Is April a good time to visit Channel Islands National Park?
- April in Channel Islands National Park: cool, dry, with clean air — an excellent time to visit. It ranks #7 of 12 months for Channel Islands National Park on SeasonMap's comfort score (87/100).
- What is the weather like in Channel Islands National Park in April?
- In April, Channel Islands National Park averages a daily high of 14.6°C and a low of 11.5°C, with about 10.5 mm of rain over roughly 1.2 rainy days.
- What is the air quality in Channel Islands National Park in April?
- Channel Islands National Park has a mean US Air Quality Index of about 41 in April.