If the car is going to sit for several months, you might want to consider jacking it off the ground to relieve tire (flat spots can develop), etc. strain; but mainly to increase the difficulty of mice getting into the car's upholstery, electrical, engine, carb. etc. Also, make sure all your windows are rolled up. Moths, spiders, etc. LOVE the warmth and softness of upholstery !
But whatever you do . . . . DON'T move to California. "Tiny" lives in Redding - where it gets 115 in the Summer - his brain is scrambled. (And I don't say that because he is my Brother-in-law).
There are very good reasons why the last decade or so has seen significantly MORE people moving OUT of California than moving in to California. . . . . . Rules against everything, Taxes on everything, Regulations against everything, Laws against everything, etc. etc. It could be worse - could be New York City, New Jersey, Chicago, Detroit, New Orleans . . . . but that is about it.
But 'Tiny' is right, if you don't mind giving up your freedoms, and you don't mind 115 degree Summer heat - you CAN drive your car year round - Winter in California means a night-time low of 42 degrees, . . . well, maybe 36 degrees on the worst nights. Except Truckee.