Chimalhuacan sits on Mexico’s central highland plateau, where a temperate climate produces a distinct rainy season from roughly June through September, driven by seasonal shifts in atmospheric moisture rather than direct hurricane landfall.
East of Mexico City on former lakebed land, the city faces some of the greater metropolitan area’s most persistent flooding challenges. Because the surrounding valleys and basins were not originally designed to drain the runoff from today’s large urban populations, intense summer storms can cause serious street and river flooding even far from the coast, which is why Mexico’s Servicio Meteorologico Nacional radar network is used extensively in this densely populated part of the country. Learn more: Flash Flood Warning Signs on Radar · Open the full Rain Map