Krosno's winters are cold and variable, with temperatures often below freezing but occasionally rising into double digits. Spring arrives slowly, with March seeing a significant warm-up before April's temperatures continue to rise. Summer is mild, with July being the warmest month, though temperatures rarely exceed 30C. Autumn brings another cool-down, with October and November temperatures dropping back towards winter levels. December marks the return of cold weather, setting the stage for another variable winter.