Channel Islands in June: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 67/100 · #7 of 12 months
June is peak season — expect the year's biggest crowds at Channel Islands National Park: crowds run 89% of the July peak (32,045 average visits). Weather: highs average 70°F and lows 56°F, with 0.1″ of precipitation and 14.4 hours of daylight. Computed from NPS and NOAA data.
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Crowds in June
Channel Islands averages 32,045 recreation visits in June — 89% of what July, the peak month, draws. Plan lodging and entries with that in mind — book early and start days at dawn.
Weather & daylight
Daytime temperatures are comfortable (highs average 70°F), and nights stay mild (lows average 56°F). It is typically dry (0.1″ of precipitation). Mid-month daylight runs 14.4 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 June.
What to pack for Channel Islands in June
Computed from the month's weather normals above — not a generic list.
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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Looking for a better window? The computed best months for Channel Islands are January and March.
Also at their best in June
Other parks whose computed June verdict is a best window — same NPS × NOAA formula:
- North Cascades in June — 26% of peak crowds, highs 74°F, score 91/100
- Katmai in June — 34% of peak crowds, highs 59°F, score 88/100
- Crater Lake in June — 44% of peak crowds, highs 57°F, score 84/100
- Olympic in June — 48% of peak crowds, highs 67°F, score 78/100
Common questions
Is Channel Islands crowded in June?
Yes — June runs 89% of Channel Islands's peak, averaging 32,045 recreation visits (NPS, 2021–2025).
What is the weather like in Channel Islands in June?
Average highs of 70°F, lows of 56°F, 0.1″ of precipitation (NOAA 1991–2020 normals, POINT MUGU NF, CA US station).
What should I pack for Channel Islands in June?
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 June · Last verified 2026-09-24