Weather: Mexico City Marathon
Historical weather data for race day in August. Use this to plan your race strategy, clothing, and hydration.
20°C
Temperature
Range: 16°C – 24°C
65%
Humidity
Moderate
40%
Rain Chance
Possible — check forecast
August
Typical race month
Usually on a Sunday
Conditions
August is in Mexico City's rainy season with warm temperatures and moderate humidity. Afternoon thunderstorms are common, though mornings are typically clearer. The high altitude (2,250m) means cooler conditions than expected for the latitude.
What to Wear
Light cap or visor
Shield from sun and heat
Sunscreen SPF 30+
20°C means sun exposure risk
Extra hydration plan
Increase fluid intake in heat
Hat with brim
Keep rain out of your eyes
Anti-chafe cream
Wet conditions increase chafing risk
Hydration Strategy
Before the Race
Hydrate aggressively in the 24 hours before. Aim for clear urine the morning of the race.
During the Race
Take water at every aid station. Consider sports drink for electrolytes. Don't wait until you're thirsty.
After the Race
Rehydrate within 30 minutes of finishing. A drink with electrolytes and some protein helps recovery.
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