Sithonia is the middle of the three large capes (legs) of Chalkidiki. The boundaries of the P.G.I. Sithonia are the vineyard from which the PDO Slopes of Meliton originates.
The wine-growing zone where the P.G.I. Sithonia wines are produced is located in the western boundaries of the municipality of Sithonia in the Region of Central Macedonia.
The climate is typical Mediterranean with plenty of sunshine, little rainfall, cool but sunny summers with average temperatures in July and August of around 26°C. Winters are clear, mild with average minimum temperatures above 0°C. Despite the strong weather changes from south to north, there are no sharp extremes such as frost or heat waves, nor sudden weather changes.
Regarding rainfall, the average annual rainfall is 500-600 mm (the value corresponding to the limits of the parameters given for the area), while most of the rainfall occurs from early autumn to the end of spring (October – April). During the summer, there are no more than 10 hours of sunshine per day and the winds in the area are mainly north-northeast, with the exception of the southerly winds that are usually observed in summer.