Mexico City is located on Mexico's high central plateau and because of the high altitude (2320 meters above the sea) the city enjoys a relatively mild climate all year. Summer and winter both are generally mild. For clothing, it’s better to take the lighter and more practical clothes with some coat or sweater, since it tends to be cooler in the evenings and nights. Bring comfortable shoes to walk. Don’t forget there’s a rainy season during the months of June to November.

From June to November humidity’s kept above 60% and it decreases from December to May. The south of the city is more humid than the north. Throughout the year (for the exception of December and January), air quality in the metropolitan area of the city is satisfactory in spite of some pollution. Afternoon rains come during the summer months, June to September. Usually the rain lasts for a few hours after which the sun comes out and the air is much cleaner.

Average Temperature Chart around Congress time: