Mexico City experiences a tropical highland climate with relatively stable temperatures throughout the year. The city sits at 2,250 meters elevation, which moderates both extreme heat and cold. April 20, 2026 represents the tail end of Mexico City's dry season, when daytime temperatures typically range from 20°C to 28°C, with occasional cooler days possible depending on atmospheric conditions. The market question asks whether the day's maximum temperature will remain at 16°C or below—a notably cold scenario for this particular time of year in the capital. Current odds show 0% YES, indicating prediction market participants overwhelmingly expect the high temperature to exceed 16°C, which aligns closely with typical April weather patterns established over decades of meteorological observation. This market resolves based on official data from Mexico's national weather service, making it objectively verifiable and free from subjective interpretation. The complete absence of YES trading activity and extreme price consensus suggests strong market agreement about spring warmth, with virtually no traders considering an unusually cold day plausible at this time of year.