Horishni Plavni experiences a moderate climate with distinct seasonal variations. Winters are cold, with temperatures often dropping below freezing in March and December, and can be quite chilly even in November and January-like months. Spring arrives slowly, with April bringing mild temperatures, but May is when the region truly warms up, with average highs reaching around 12°C. Summers are warm to hot, with July being the hottest month, while September is a transitional period where temperatures start to drop again. Autumns can be quite cool and wet, with October often feeling chilly, especially in the mornings and evenings.