Jeddah features an arid climate at dawn to 28 °C (82 °F) in the afternoon. Summer temperatures are extremely hot, often breaking the 48 °C (118 °F) mark in the afternoon and dropping to 35 °C (95 °F) in the evening. Summers are also quite steamy, with dew points often exceeding 27 °C (80 °F), particularly in September. Rainfall in Jeddah is generally sparse, and usually occurs in small amounts in November and December. Heavy thunderstorms are common in winter. The thunderstorm of December 2008 was the largest in recent memory, with rain reaching around 80 mm (3 in). The lowest temperature ever recorded in Jeddah was 9.8 °C (49.6 °F) on February 10, 1993. The highest temperature ever recorded in Jeddah was 52.0 °C (125.6 °F) on June 22, 2010.
Dust storms happen in summer and sometimes in winter, coming from the Arabian Peninsula’s deserts or from North Africa.