The best time to visit San Simeon is typically from late spring to early autumn, specifically May through October, when the weather is at its most pleasant.During these months, you can expect warm, sunny days and mild evenings, making it ideal for exploring the coast and nearby attractions. The marine layer, which can bring fog, is usually less prevalent during this period, allowing for clearer views. This timing is superb for couples looking for a scenic drive along Highway 1 or families wanting to enjoy outdoor activities.For those interested in seeing the elephant seals, the peak viewing times are in January, April, and October. While January is outside the warmest period, the cooler weather doesn't deter visitors from witnessing these incredible animals at the Piedras Blancas Elephant Seal Rookery. April and October offer a good balance of pleasant weather and active seal populations, suiting wildlife enthusiasts.