habaneroHabanero peppers clock in at 100,000–300,000 on the Scoville scale, making them about 100x hotter than a jalapeño pepper. Freshly harvested red habanero peppers. 1. Make AHow Hot Are Habanero Peppers? Standard orange habanero peppers are hot, ranging from 100,000 to 350,000 SHUs on the Scoville scale.