This research aims to see the regularity pattern of monthly rainfall in Pekanbaru City by making a rainfall fractal analysis program. The data on this research is used data from 2016 to 2020. These data would be analyzed using R2015a matlab application with Exponen Hurst metohd. The Exponent Husrt value was obtained after analyzed data from logR/S slope regression with log(n) so fractal dim…