Climate of Mecca
The climate of Mecca is a hot desert region where temperatures stay warm throughout most of the year. Summers see daytime temperatures regularly exceeding 40°C, while winters remain mild with daytime readings between 25 and 30°C.
Mecca sits in a desert region shaped by extreme weather conditions for centuries. The dry climate combined with occasional heavy rainfall has led to flooding events, most notably in 1941 and again during 2009 to 2011 when severe storms caused significant damage.
Visitors should prepare for intense heat, especially if visiting during the summer months from May to September when conditions are extreme. Light clothing, plenty of water, and sun protection are essential, and plan activities for early morning or late evening when temperatures are more bearable.
The area is prone to sudden flash floods that can occur despite very low annual rainfall of about 100 millimeters. These surprising rainfall events arise from the terrain and can develop into dangerous conditions without warning, revealing the unpredictable nature of weather in this desert region.
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