Passage: Haifa has a hot-summer Mediterranean climate with hot, dry summers and cool, rainy winters (Köppen climate classification Csa). Spring arrives in March when temperatures begin to increase. By late May, the temperature has warmed up considerably to herald warm summer days. The average temperature in summer is 26 °C (79 °F) and in winter, 12 °C (54 °F). Snow is rare in Haifa, but temperatures around 3 °C (37 °F) can sometimes occur, usually in the early morning. Humidity tends to be high all year round, and rain usually occurs between September and May. Annual precipitation is approximately 629 millimeters (25 in).

Question: What type of weather event is not common in Haifa?
Snow