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Climate

Jeddah features an arid climate (BWh) under Koppen's climate classification, with a tropical temperature range. Unlike other Saudi Arabian cities, Jeddah retains its warm temperature in winter, which can range from 15 °C (59 °F) at dawn to 28 °C (82 °F) in the afternoon. Summer temperatures are extremely hot, often breaking the 40 °C (104 °F) mark in the afternoon. 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, which is the highest temperature to have ever been recorded in Saudi Arabia.

Dust storms happen in summer and sometimes in winter, coming from the Arabian Peninsula 's deserts or from North Africa. Occasionally, the dust storms accompany thunderstorms.