Doha has a hot desert climate (Köppen climate classification ''BWh'') with long, extremely hot summers and short, warm winters. The average high temperatures between May and September surpass  and often approach . Humidity is usually the lowest in May and June. Dewpoints can surpass  in the summer.  Throughout the summer, the city averages almost no precipitation, and less than  during other months. Rainfall is scarce, at a total of  per year, falling on isolated days mostly between October to March. The winter's days are relativity warm while the sun is up and cool during the night. The temperature rarely drops below .