Traders assign the highest implied probability (34.5%) to a 24°C maximum in Mexico City on August 7, followed closely by 23°C (26%) and 25°C (18%), reflecting consensus around the long-term seasonal average for this subtropical highland location at roughly 2,240 meters elevation. August falls in the rainy season, when frequent afternoon convection and cloud cover typically cap daytime heating despite intense solar insolation, while variable steering patterns and moisture influx from the Pacific or Gulf can shift peak temperatures by 1–2°C. Official guidance from agencies like Mexico’s Servicio Meteorológico Nacional shows model runs converging near 23–24°C, with minor spread arising from differences in simulated precipitation timing and boundary-layer moisture. Historical data indicate such narrow ranges are common, underscoring the sensitivity of daily maxima to short-term atmospheric variability ahead of resolution.