Generally speaking Olympus' climate can be described as one of Mediterranean type with continental influence. Its local variations are the result of the impact of the sea and the rugged relief of the region. In the lower locations (Litochoro and the foothills) the climate is typically Mediterranean, i.e. hot and dry in the summer, while humid and cold in the winter. Higher it is more humid and severe, with more intense phenomena; in these locations it often snows all over the winter, while raining and snowing is not unusual, even in the summer. The temperature varies in the winter from −10 °C to 10 °C and in the summer from 0 °C to 20 °C, while winds are an almost everyday occurrence. Generally the temperature falls 1 °C per 200 m of altitude. As the altitude rises, the phenomena are more intense and the variations of temperature and humidity are often sudden.