It may be fire season year round, but it's the high winds / low humidity that raise the risk to FireCon 5. Most of the year, Calfire will knock wildfires down quickly and only a few acres will be scorched. Keep a 50-100 ft perimter around your property and you should be fine. It's when there are gale force Santa Ana winds that can drive a blaze too fast to contain, that you need to prepare to evac.