The months between May and October are extremely hot, with shade temperatures of between 38° and 49° C (100 to 120° F ) and high humidity near the coast. Winter temperatures can fall as low as 2° C (36° F ) but average between 17° and 20° C (63 to 68° F ). Normal annual rainfall is from 5 to 10 cm (2 to 4 in), with considerably more in the mountains; most rainfall occurs between November and February.
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