Channel Islands National Park weather in July

July in Channel Islands National Park: nice, dry, with clean air — an excellent time to visit.

#4 of 12 months in Channel Islands National Park · #92 of 604 destinations to visit in July · comfort 89/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Channel Islands National Park climate normals — July

Daytime high18°C / 64°F😎 nice
Nighttime low15°C / 59°F
Feels like (high)18°C / 64°F
Rainfall0 mm / 0 in☀️ dry
Rainy days0 days
Humidity83%💦 very humid
Dew point13°C / 56°F
Sunshine13.1 h/day
Daylight14.2 h
Wind28 km/h / 18 mph
Air quality (US AQI)32🍃 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 July — FAQ

Is July a good time to visit Channel Islands National Park?
July in Channel Islands National Park: nice, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Channel Islands National Park on SeasonMap's comfort score (89/100).
What is the weather like in Channel Islands National Park in July?
In July, Channel Islands National Park averages a daily high of 17.8°C and a low of 15.1°C, with about 0.1 mm of rain over roughly 0 rainy days.
What is the air quality in Channel Islands National Park in July?
Channel Islands National Park has a mean US Air Quality Index of about 32 in July.

Other months in Channel Islands National Park

Warmer or cooler than Channel Islands National Park in July

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