Transitional climate between maritime and continental, characterized by hot, showery summers, cold, sometimes snowy winters and generally changeable conditions. A typical day in Prague during June to August sees the mercury range from about 15°C to 25°C.
Temperatures from December to February push below freezing. Wide variations are common, sometimes surpassing 35°C in summer and -20°C in winter. Summer's long, sunny hot spells may be broken by sudden, heavy thunderstorms. May and September have the finest weather.