Weather forecast builder for the Sultan's Trail: Belgrade → Sofia

This segment of the Sultan’s Trail crosses open farmland and river valleys, rising to some low hills near the border where conditions change quickly. April, May, and September tend to offer milder temperatures, decent daylight, and fewer heat, storm, or ice interruptions; spring greenery and autumn clarity stand out, and water is easy to find in villages. Later summer brings hot, exposed afternoons and short thunderstorms, while late autumn through early spring trends colder, wetter, and shorter on daylight.

• Spring: Changeable days with frequent rain, intermittent sunshine, and a steady warming trend; occasional snow early, temperatures from -2°C to 29°C.
• Summer: Sunny spells dominate, punctuated by light to heavy showers; warmth builds into heat, with temperatures reaching into the mid-thirties°C.
• Autumn: Varied conditions with alternating sunshine and heavy showers; temperatures span 11°C to 36°C, cooling to near freezing by late season.
• Winter: Overcast periods are common with rain, freezing rain, and snow; temperatures fluctuate below freezing to occasional mild spells, creating unpredictable footing.