Rainfall amounts to 700 millimetres (27.5 inches) per year, and is concentrated from October to March; the rains often occur in the form of thunderstorms, and sometimes can be abundant. In summer, basically it never rains. Here is the average precipitation.
Winter, from December to mid-March, is mild: daytime temperatures hover about 15/17 °C (59/63 °F). The rains are quite frequent, but there are also sunny days. Sometimes it can get a little cold: lows can drop to about 3/5 °C (37/41 °F), and highs can remain about 7/10 °C (45/50 °F). Wind can increase the feeling of cold. In the plains, substantially it never snows (sometimes you can see the snow falling, but it does not accumulate on the ground), while on inland hills, which reach 1,200 metres (3,900 feet), sometimes it can snow.
Spring, from mid-March to May, is mild, and becomes progressively warmer and sunnier, and less rainy.
Summer, from June to mid-September, is hot, quite muggy and sunny. The Meltemi, the wind from the north-west, blows from mid-May, cooling the air, but with lower intensity than in the central islands of the Aegean Sea, such as Mykonos or Naxos. In addition, sometimes there are some periods of intense heat, with maximum temperatures about 35 °C (95 °F).
Autumn, from mid-September to November, is pleasantly warm at the beginning, then it gradually becomes milder, and also more rainy.