Channel Islands in March: Crowds, Weather & What to Pack
Best window · VisitWhen score 71/100 · #3 of 12 months
March is one of the best months of the year to visit Channel Islands National Park: crowds run 60% of the July peak (21,485 average visits), days average 66°F with 11.9 hours of daylight. Computed from NPS and NOAA data.
Crowds in March
Channel Islands averages 21,485 recreation visits in March — 60% of what July, the peak month, draws. Plan lodging and entries with that in mind.
Weather & daylight
Daytime temperatures are comfortable (highs average 66°F), and nights stay mild (lows average 48°F). Average precipitation is 2.2″ for the month. Mid-month daylight runs 11.9 hours.
NOAA 1991–2020 monthly normals, station POINT MUGU NF, CA US (43 mi from park coordinates, 13 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of March.
What to pack for Channel Islands in March
Computed from the month's weather normals above — not a generic list.
- Packable rain jacket — 2.2″ of precipitation is normal this month
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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Also at their best in March
Other parks whose computed March verdict is a best window — same NPS × NOAA formula:
- Great Basin in March — 10% of peak crowds, highs 48°F, score 81/100
- Shenandoah in March — 23% of peak crowds, highs 55°F, score 78/100
- Wind Cave in March — 15% of peak crowds, highs 50°F, score 78/100
- Mesa Verde in March — 17% of peak crowds, highs 47°F, score 77/100
Common questions
Is Channel Islands crowded in March?
Moderately: March runs 60% of the July peak, averaging 21,485 visits (NPS, 2021–2025).
What is the weather like in Channel Islands in March?
Average highs of 66°F, lows of 48°F, 2.2″ of precipitation (NOAA 1991–2020 normals, POINT MUGU NF, CA US station).
What should I pack for Channel Islands in March?
Packable rain jacket; Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.
See also: the best national parks to visit in March · Last verified 2026-09-12