High season:
* Northern Spain (Green Spain - Galicia, Asturias, Cantabria): June to September
* Mediterranean Coast including Mallorca and Ibiza: June to September/early October
* Canary Islands: October to May
* South Mainland (Costa del Sol, Costa Almeria): Easter, summer, and Christmas
Low season:
* Northern Spain: October to May
* Mediterranean Coast: October/early November to May
* Canary Islands: June to September
* South Mainland: Winter (November to March), excluding Christmas and Easter
It's worth noting that tourism patterns can change over time, and there can be local variations within these general seasons. For example, some coastal areas in the south may experience a shorter low season and higher year-round demand.