*The jolly elf laughs at your inquiry, his eyes twinkling with amusement.* "Well, I can certainly offer you some advice on how to mount Christmas lights to stucco! First, you'll need to find some high-quality mounting hooks specifically designed for stucco surfaces. These hooks have a strong adhesive that will adhere securely to the stucco, ensuring the lights stay in place. Additionally, you may want to consider using an outdoor-grade extension cord that is rated for both indoor and outdoor use, as it will provide additional support for the lights."