You must be northern CA. I have relatives in southern CA, and it is never really cold there and very hot in the Summer.
Sacramento, which is just as hot as Southern California in the summers with temperatures peaking around 105. The winters are about 10 degrees colder than SoCal. I lived in the Los Angeles area for 10 years before moving to Sacramento, and I thought it was winter from November through April there too. Also, to me even Southern California only has six weeks of summer.
Dubai gets close to 130 degrees almost every summer, with heat index ("feels like" temperature) reaching 160. It's Arizona heat with Texas humidity. And that's why my perspective may be a little skewed. I think 100 degrees is great weather for outdoor sports, and 65 is barely tolerable, so everywhere in the US except Hawaii gets too cold in the winters, and Sacramento is about the coldest place I'm willing to live. I'm happiest with daytime temperatures in the 90s, which is March or April weather in Dubai.
So, yeah, I'm going back under the blankets.
We have the four seasons here in the beautiful Pocono Mountains of Pennsylvania, but I could do with three. I hate winter, mainly because I get cabin fever real fast when winter sets in. I love being outdoors, especially working in my gardens and greenhouse. Some real crazy weather lately. Within one week we've had varying temperatures between -11 degrees (F) up to 60 degrees.