Historical weather data, all-time temperature records, and monthly climate averages for Mexico, 09. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th sits right at the warm edge of Mexico City's spring peak, with an average high of 77° built from 66 years of data. This date has swung from a chilly 41° back in 1960 all the way up to 86° just this year in 2025. There's also a 39% chance of catching some rain, as the rainy season starts knocking on the door.
Mexico City's all-time extremes tell the story of a surprisingly dynamic climate — from a scorching 94° on June 1, 2024, down to a sharp 29° on March 6, 1987. The wettest single day on record dropped 2.41 inches in October 1976, and the city has even seen 6.3 inches of snow in a single day back in January 1967.
Mexico City runs remarkably mild year-round, with average highs ranging only from 67° in January to a peak of 77° in the spring window of late March through April. If you're chasing the best weather, that late-March-to-April sweet spot offers warm days before the rains arrive. The rainy season hits hardest in mid-June, averaging 1.85 inches in a single week.