There are numerous festivals and celebrations that take place in the village. These unique events give the village a peculiar character. There is a festivities calendar that is published annually by the Town Hall.
The Awakening of the Bear is held on the Friday of Carnival. After spending the winter asleep, the bear comes down to the village looking for food. After going through Kale Nagusia (the main street), the party is finished in the square with dances and a tribute to the bear.
The traditional celebrations of Easter Holiday continue to be held in Segura. These processions take place on Thursday and Friday, with local town people parading the streets with images treasured for generations in the parish. These images are acompanied by nazarenes, penitents, Roman soldiers and musicians among others.
The fair of flowers and plants in spring is celebrated in March and attracts numerous visitors from all around the province. The numerous display tables offer a huge variety of plants, flowers, gardening articles and local products.
The intercultural festival of Iparra-Hegoa is celebrated in March and unites the seven provinces of Euskal Herria in culture, gastronomy, music and the Basque language.
The holy patron festivities of the village take place around Midsummer's day (June 24), and offer a varied program during the festive days (bertsolaris, pelota matches, bowling championship, music, costumes, cycling, games for children, tamborrada for children, ...).
Every two years the cultural festivity Segura Reliving its Origins is celebrated in July. The town returns to the middle ages by decoratingm the streets, converting de basements into workshops by dressing including of that time period.
The anual Dance Championship of Euskal Herria (adults) has been celebrated since 1977. Every year the best dancing couples compete in Segura in October.
San Nicolas Txiki day (December 6) serves to stage the memory of this Holy protector of childhood: a six-year-old child dresses as a Bishop and runs through the streets of Segura, surrounded by boys and girls. These children sing to the saint as they collect candy and treats that there are thrown from the windows and terraces of the houses.