Catalina Island in July

July is a fantastic time to escape the hustle and bustle of the mainland and immerse yourself in the idyllic charm of Catalina Island. With its warm, sunny weather and many exciting activities, this beautiful island off the coast of Southern California has become a paradise for summer adventurers and relaxation seekers alike.

We’ve got you covered on what you can expect from Catalina Island’s weather in July and essential travel information to help you plan the perfect summer getaway. So, pack your sunscreen, grab your sunglasses, and get ready to discover the magic of Catalina Island in July!

July Weather On Catalina Island

July is one of the hottest and sunniest months of the year, bringing summer weather to Catalina. Daytime highs average in the mid-70s°F, while nights remain relatively comfortable. The island sees the most sunshine in July, with 14+ hours of daylight and minimal precipitation.

July offers peak conditions for Catalina’s iconic outdoor activities, such as swimming, parasailing, snorkeling, kayaking, camping, or sunbathing on the island’s beautiful beaches. With schools out, larger crowds flock to the island to enjoy Catalina’s fabulous summertime weather.

Average Temperature On Catalina Island In July

The average temperature on Catalina Island in July is  70°F (21.1°C), with highs of around 78°F (25.5°C), while average overnight lows fall to about 64°F (17.7°C). However, with Catalina’s array of microclimates, temperatures can fluctuate across various parts of the island, from Avalon to Two Harbors.

Pack light clothing like shorts, tanks, tees, and sundresses to stay comfortable in the hot, sunny weather. Swimwear, cover-ups, hats, and sandals will also be useful for beach days. A light sweater or hoodie can provide warmth during cooler island evenings.

How Sunny Is It On Catalina Island In July?

July brings Catalina the most sunshine of the year, with an average of 364 bright sunny hours over the month. Each day sees 14.1 hours of daylight as Catalina basks in its sunniest season.

These extensive sunny skies create prime tanning conditions perfect for the island’s picturesque beaches. To avoid painful burns, be diligent about reapplying water-resistant sunscreen frequently when outdoors. Seeking shade around midday gives skin a break from intense rays.

Does It Rain In July?

Due to its dry Mediterranean climate, wet weather during July is virtually unheard of on Catalina Island. There is a 0% average chance of rain throughout July, with most years seeing  0.0-0.1 inches of precipitation.

While umbrellas are unnecessary, having a thin waterproof layer in your bag, like a packable rain jacket, can occasionally come in handy if rare passing sprinkles occur. Any ocean, hiking, or boating excursions will stay sunny and dry.

How Humid Is Catalina Island In July?

As an offshore island, Catalina experiences a spike in humidity during the hot summer months compared to other times of the year. The Average July humidity hovers around 75-80%, with a mugginess comfort rating of 1-2% on the discomfort scale.

The increased moisture makes conditions feel more tropical. However, the refreshing ocean breeze helps provide relief from sticking heat. Seeking shade and AC interludes allow recuperation from spells of humidity when sightseeing. Cold beverages also help cool down.

How Windy Is Catalina Island In July?

July brings Catalina’s least windy weather, with average wind speeds of around 6.8 miles per hour, typically in gentle ocean breezes. The winds offer a nice balance for keeping the hotter July temperatures pleasant without disrupting outdoor recreation.

While hats may need to be held onto, disruptive winds won’t hinder activities like boating, kayaking, and paddle boarding. The winds also deter pesky insects drawn to Catalina’s lush flora. July doldrums allow for smooth sailing!

Is The Water Warm In July?

As summer peaks, the ocean temperature off Catalina Island also reaches its hottest point in July. Average sea surface temperatures measure around 67°F but may reach up to 70°F on balmy days.

This bath-like water allows for prolonged swimming and summertime water play. The crystal clear, comfortable water also provides ideal snorkeling conditions for spotting colorful marine life. Wetsuits have become optional for surfing, kayaking, and stand-up paddleboarding.

Still have questions? Check out these answers to some commonly asked questions. 

Is July a good time to go to Catalina Island?

Yes, July offers ideal hot summertime weather for enjoying Catalina’s beaches, swimming, and water recreation. Just expect larger crowds and peak rates during these vacation months.

What is the hottest month on Catalina Island?

July and August typically tie for Catalina’s hottest months, with average daytime high temperatures around 78°F. However, the ocean’s influence prevents excessive heat.

What is the water temperature in Catalina Island in July?

The average ocean surface temperature in July is 67°F, reaching the year’s warmest point. On balmy days in late July, temperatures may exceed 70°F, which is quite comfortable for swimming and water fun.

Does it rain a lot on Catalina Island?

No, Catalina has a Mediterranean climate with little rain. Most precipitation falls from November to April, while July is virtually guaranteed to be bone dry with a 0% average chance of rain.

Can you swim in California in July?

Absolutely! With hot weather and average water temperatures around 67-70°F, July offers ideal conditions for swimming and underwater adventures off Catalina’s shores.

Can you drink tap water in Catalina?

Yes, the tap water in Avalon and other parts of Catalina Island is safe to drink directly from the faucet. Catalina’s tap water comes from freshwater springs and wells on the island and is regularly tested. However, it may have more minerals than mainland water, so some prefer bottled water.

Do you need water shoes in Catalina Island?

Water shoes are recommended for Catalina Island. They protect feet from hot sand and rocky seabeds while swimming, snorkeling, kayaking, paddleboarding, and beachcombing. Sturdy sandals or water shoes with straps are ideal for the beach, while flip-flops provide minimal protection.