Culture
People from GenSan are mostly Roman Catholics. There are also a large number of Protestants and Muslims in the city. Every February, the city celebrates the Kalilangan Festival. And every September as also the celebration of the city chartered anniversary the Gensan Tuna Festival.
Climate
Average temperature in the city is 28 degrees Celcius with a maximum of 36 degrees celcius. There are only two seasons. Wet season starts on June to October. The Dry season starts on November to May. The city is outside the typhoon belt.