Channel Islands National Park weather in March
March in Channel Islands National Park: cool, a little rain, with clean air — an excellent time to visit.
#10 of 12 months in Channel Islands National Park · #196 of 604 destinations to visit in March · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Channel Islands National Park climate normals — March
| Daytime high | 14°C / 56°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 51°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 78 mm / 3.1 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 8°C / 46°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12 h | |
| Wind | 34 km/h / 21 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 March — FAQ
- Is March a good time to visit Channel Islands National Park?
- March in Channel Islands National Park: cool, a little rain, with clean air — an excellent time to visit. It ranks #10 of 12 months for Channel Islands National Park on SeasonMap's comfort score (81/100).
- What is the weather like in Channel Islands National Park in March?
- In March, Channel Islands National Park averages a daily high of 13.5°C and a low of 10.4°C, with about 78.1 mm of rain over roughly 6 rainy days.
- What is the air quality in Channel Islands National Park in March?
- Channel Islands National Park has a mean US Air Quality Index of about 41 in March.