California weather

Our guide to the weather in California during July

38

Average high

8

UV Index

6mm

Monthly rainfall

28%

Humidity

We've looked at the most up-to-date weather data for California, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about California weather in July.

How hot is it in California during July?

July is typically the hottest month in California. Expect extreme heat during July, with temperatures hitting 38℃ during the day, falling away to 20℃ at night.The UV index will be very high at this time of year, so you'll need to protect your eyes and skin. Avoid sun exposure between 10am and 4pm where possible. If outdoors, find shade, wear sun-protective clothing, wear UV-blocking sunglasses and generously apply broad spectrum SPF 30+ sunscreen every hour or so. Don't be fooled by cloudy skies! Remember that bright surfaces, such as water and sand will increase UV exposure.

Does it rain in California during July?

The answer is no. California is typically bone dry in July. You're not likely to see a thunderstorm during your trip.

Is it windy in California during July?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in July. With moderate humidity, any breeze will have a very welcome cooling effect.

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California Blog posts

From the top US travel bloggers

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Staying at Fieldtrip Casa Blanca in Joshua Tree

30th January 2023 by The Blonde Abroad

Are you dreaming of a desert getaway in Joshua Tree? We've found the perfect place for a family staycation and we want to share it with you!...

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The best hotels to stay at in San Diego

11th July 2022 by The Blonde Abroad

Even though San Diego is home for me, I love planning staycations in “American’s finest city.” I relish the opportunity to show people around my stomping grounds. That’s why I created my ultimate San Diego Travel Guide to help you get your bearings and plan your perfect San Diego itinerary. From the best restaurants in San Diego to the best brunch places in San Diego and everything in between, I encourage you to plan a trip to this coastal city. Find your new favorite brewery,...

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10 things to do in San Francisco (that aren’t the Golden Gate Bridge) 

29th March 2022 by The Blonde Abroad

San Francisco is one of the true cultural capitals of the United States. Packed with world-class museums, a rich countercultural history, fabulous art galleries, and more wonders that you can explore in a lifetime, this city can truly be everything to everyone. Even if you’ve never explored the City by the Bay, you probably can name countless historical sites and iconic spots around town. Now, it’s time to dig deeper. Eat with the locals, travel off the beaten path, and see a fresh side of...

Weather in California

Our month-by-month guide to the weather and climate in California

14.8

California weather in

January
15.9

California weather in

February
18.4

California weather in

March
22.0

California weather in

April
26.6

California weather in

May
33.4

California weather in

June
37.5

California weather in

July
36.9

California weather in

August
33.8

California weather in

September
26.2

California weather in

October
18.8

California weather in

November
13.4

California weather in

December