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Weather in Santa Catalina Island, California for July 2026

Your guide to Santa Catalina Island weather in July - trends and predictions

    Official Weather Alert ⚠️

  • High Surf Advisory - See hour by hour.

  • Temperatures

  • So far, July 2026 in Santa Catalina Island is slightly warmer than the historical average by 1.7 °C.

  • The forecast for the next days in Santa Catalina Island predicts temperatures to be around 22 °C, close to the historical average.

  • In general, the average temperature in Santa Catalina Island at the beginning of July is 18.7 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.4 °C by the end of July.

  • Rain 🌧️

  • Precipitation in Santa Catalina Island during July is a rare event, with an average of fewer than 2 rainy days.

  • More

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Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/14°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Santa Catalina Island Weather July

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Temperatures trend during July in Santa Catalina Island

See the weather trend as well as the moving average line

July weather in Santa Catalina Island day by day

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Date Weather Temperatures Rain UV More
Jul. 1 Fog
Fog
16° /13° 0 mm 3
Jul. 2 Fog
Fog
18° /13° 0 mm 4
Jul. 3 Fog
Fog
19° /13° 0 mm 9
Jul. 4 Mist
Mist
20° /13° 0.7 mm 10
Jul. 5 Fog
Fog
19° /13° 0 mm 10
Jul. 6 Fog
Fog
19° /14° 0 mm 9
Jul. 7 Fog
Fog
20° /14° 0 mm 9
Jul. 8 Overcast
Overcast
21° /13° 0 mm 10
Jul. 9 Overcast
Overcast
20° /14° 0 mm 10
Jul. 10 Fog
Fog
19° /13° 0 mm 8
Jul. 11 Fog
Fog
19° /14° 0 mm 4
Jul. 12 Fog
Fog
20° /14° 0 mm 9
Jul. 13 Mist
Mist
20° /15° 0 mm 8
Jul. 14 Fog
Fog
20° /15° 0 mm 8
Jul. 15 Fog
Fog
22° /15° 0 mm 8
Jul. 16 Overcast
Overcast
22° /17° 0 mm 8
Jul. 17 Overcast
Overcast
21° /16° 0 mm 9
Jul. 18 Mist
Mist
20° /15° 0 mm 7
Jul. 19 Fog
Fog
21° /15° 0 mm 8
Jul. 20 Sunny
Sunny
29° /16° 0 mm 11.3
Jul. 21 Sunny
Sunny
20° /19° 0 mm 11
Jul. 22 Sunny
Sunny
21° /19° 0 mm 11.2
Jul. 23 Sunny
Sunny
23° /19° 0 mm 11.1
Jul. 24 Sunny
Sunny
20° /19° 0 mm 6
Jul. 25 Sunny
Sunny
20° /19° 0 mm 6
Jul. 26 Sunny
Sunny
21° /19° 0 mm 6
Jul. 27 Sunny
Sunny
22° /19° 0 mm 6
Jul. 28 Sunny
Sunny
20° /19° 0 mm 5
Jul. 29 Sunny
Sunny
20° /19° 0 mm 5
Jul. 30 Sunny
Sunny
23° /20° 0 mm 6
Jul. 31 Sunny
Sunny
24° /22° 0 mm 6
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Important Notice
Our weather forecast for Santa Catalina Island in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Santa Catalina Island forecast closer to your planned date for the most up-to-date weather information.

Santa Catalina Island in July - FAQ

What are the expected maximum and minimum temperatures in Santa Catalina Island during July?

Enjoy moderate daytime temperatures of up to 19° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Santa Catalina Island during July?

Rainfall in Santa Catalina Island during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in Santa Catalina Island during July?

The average wind speed in Santa Catalina Island during July is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Santa Catalina Island during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

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Location coordinates Where is Santa Catalina Island?

Get accurate weather forecasts for Santa Catalina Island, located at latitude 33.383 and longitude -118.418. Stay updated with localized weather information tailored for Santa Catalina Island.

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