Mexico City, Mexico weather in August

Averages from 2021–2025 (155 days of record).

Average high: 73°F
Average low: 55°F
Rainy days: ~28 per month
Total precipitation: 9.9 in
Warmest recorded: 78°F
Coldest recorded: 51°F

Expect August days in Mexico City, Mexico to top out around 73°F and cool to about 55°F overnight, with roughly 28 days of measurable rain across the month. In recent years August has ranged from 51°F to 78°F.

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Current Mexico City, Mexico forecast → · Historical data by Open-Meteo (ERA5).