Best Travel Time by Activity

Activity	Best Time	Region
Beach Vacation	Jun–Sep	All of Sardinia (South from May)
Hiking (Gennargentu)	Apr–Jun, Sep–Oct	Barbagia, Supramonte
Wildflowers	Mar–May	All of Sardinia, especially mountain regions
Cultural Sightseeing	Mar–May, Sep–Nov	Cagliari, Nuraghes, Alghero
Sailing	May–Oct	La Maddalena, Costa Smeralda
Snorkeling & Diving	Jun–Oct	Golfo di Orosei, La Maddalena
Experience Grape Harvest	Sep–Oct	Cannonau Region (Nuoro, Oliena)
Climbing	Oct–Apr	Cala Gonone, Supramonte
Carnival (Mamuthones)	Feb	Mamoiada, Oristano
Cycling	Mar–May, Sep–Nov	All of Sardinia
Mountain Biking	Apr–Jun, Sep–Oct	Barbagia, Supramonte
Quiet Beach Vacation	May, Sep–Oct	West Coast, South

Conclusion: Sardinia is a true year-round destination, although summer dominates the high season. Those who want beaches without crowds should visit in June or September. Hikers and culture enthusiasts benefit from spring and autumn. And those who want to experience the archaic carnival with the Mamuthones must come in February — an unforgettable experience off the beaten tourist path.