Channel Islands National Park
Weather History, Monthly Averages & Best Time to Visit
CAPacific West
Look Up a Specific Date
Best Time to Visit
RecommendedMay - October
Summer months offer the best weather, but also the largest crowds.
AvoidWinter months for high-elevation parks (road closures)
Tip: Spring and fall offer fewer crowds with pleasant temperatures.
Monthly Climate Averages
Historical temperature and precipitation averages for Ventura, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 85°F / Low: 57°F
Coldest MonthDecemberAvg High: 66°F / Low: 39°F
Jan
67°/ 39°
💧 15.3"
Feb
67°/ 41°
💧 16.6"
Mar
68°/ 43°
💧 12.0"
❄️ 0.2"
Apr
71°/ 45°
💧 6.6"
May
74°/ 50°
💧 4.4"
Jun
78°/ 53°
💧 1.9"
Jul
84°/ 57°
💧 2.1"
Aug
85°/ 57°
💧 3.5"
Sep
83°/ 55°
💧 3.7"
Oct
78°/ 50°
💧 5.3"
Nov
72°/ 43°
💧 8.1"
Dec
66°/ 39°
💧 13.0"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Data from Ventura, CA.
Seasonal Weather
Gateway Cities
Nearby Parks
Official NPS Websitenps.gov/chis
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