The average annual temperatures for Bulgaria is 13°C/55°F.
Average annual rainfall for Bulgaria is 480mm (19 inches).
August is the hottest or warmest month in Bulgaria, with an average maximum temperate of 31°C/88°F.
January is the coolest or coldest month in Bulgaria, with an average minimum temperate of -3°C/27°F.
January is the wettest or most rainy month in Bulgaria, with an average rainfall of 54mm (2 inches).
September is the driest or least rainy month in Bulgaria, with an average rainfall of 23mm (1 inches).