Santa Catalina Island Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Santa Catalina Island, the United States of America in July.

🔎

Planning a trip to Santa Catalina Island, the United States of America this July? Here's what you need to know about the weather:

What to Expect in Santa Catalina Island in July

Santa Catalina Island, the United States of America is a region in the United States of America. July in Santa Catalina Island generally has warm temperatures, with almost no precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 24°C (75°F) and nighttime temperatures around 17°C (63°F) in Avalon.

For specific regional insights in Santa Catalina Island, the United States of America, refer to the map provided below.

Precipitation

July is a very dry month with an average rainfall of around 2.5 mm (0.1 in) in Avalon.

Average sunshine

Sunshine is generally plentiful throughout many areas. Avalon enjoys about 364 hours of sunlight, ideal for those seeking sunny weather.

Explore Santa Catalina Island by month

Pick a month to see the average temperature, rainfall and sunshine in Santa Catalina Island — and find the best time to visit. (based on Avalon)

Best Places to Visit in Santa Catalina Island in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Santa Catalina Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Santa Catalina Island

What is the weather like in July for the most popular destinonation in Santa Catalina Island, the United States of America?

Avalon

In July Avalon generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 17°C (63°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

June
July
August
Max temperature
23°C (73°F)
24°C (75°F)
25°C (77°F)
Min temperature
15°C (59°F)
17°C (63°F)
18°C (64°F)
Monthly sun hours
275 hours
364 hours
347 hours
Monthly rainfall
0.4 mm (0.02 in)
2.5 mm (0.1 in)
0.1 mm (0 in)
Monthly rainy days
a single day
a single day
0 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Santa Catalina Island, in the United States of America.

In our records: the United States of America July extremes

Notable July records observed across cities in the United States of America in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United States of America reached 51°C (124°F) in Palm Desert on July 28, 1995.

Santa Catalina Island weather in July: frequently asked questions

What is the weather like in Santa Catalina Island, the United States of America in July?

Expect perfect weather across Santa Catalina Island, the United States of America in July. The popular destination of Avalon averages 24°C (75°F) by day and 17°C (63°F) at night during this month.

What is the average temperature in Santa Catalina Island, the United States of America in July?

Avalon averages a daytime maximum of 24°C (75°F) in July, with overnight lows close to 17°C (63°F).

Does Santa Catalina Island, the United States of America get a lot of rain in July?

Not particularly. Avalon averages just 2.5 mm (0.1 in) of rain in July, making it a mostly dry month for Santa Catalina Island, the United States of America.

Is July a Good Time to Visit Santa Catalina Island, the United States of America?

We believe that July is one of the best times to visit Santa Catalina Island, the United States of America with overall perfect weather in Avalon. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Santa Catalina Island, the United States of America is in March, April, May, June, July, August, September, October and November with generally perfect weather in Avalon. On the other hand, the month of December tends to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Santa Catalina Island.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.