What to do in Mexico City on a rainy day

Mexico City's rain is seasonal, not constant. From roughly May to October a storm usually builds in the afternoon, dumps for an hour or two, then clears; mornings are often dry. That pattern decides the plan: do anything outdoors early, and hold an indoor block for 15:00 onwards.

The strongest indoor picks are the big museums. The Museo Nacional de Antropología in Chapultepec is the one to prioritise — it is the reason many people come to the city, and it can absorb a whole afternoon. Museo Soumaya in Plaza Carso is the free, quick alternative if you are near Polanco. The Palacio de Bellas Artes covers art and architecture in one stop next to the Alameda, with the Torre Latinoamericana across the street if the cloud lifts.

For something less museum-like, the Mercado de San Juan and Mercado Roma are covered, food-focused and easy to reach; the Biblioteca Vasconcelos is a striking free building near Buenavista station; and the covered corridors around the Centro Histórico let you walk between the Zócalo, the cathedral and the palacio with only short dashes in the open.

The indoor picks cluster in three areas, which keeps a wet day simple. Chapultepec holds the anthropology museum and Museo Tamayo, both a short walk from Metro Auditorio. The Centro Histórico holds Bellas Artes, the Torre Latinoamericana, the cathedral and the Zócalo, all within about 15 minutes on foot of each other. Polanco holds Museo Soumaya and the rest of Plaza Carso.

If you are staying in Roma or Condesa, the Centro is the easiest wet-day target: one Metrobús or metro ride, then everything under cover or a short dash away. From Polanco, Chapultepec is walkable in the dry and a cheap taxi in the rain.

Carry a compact umbrella rather than a rain jacket — the showers are short and heavy, and an umbrella is what locals use. Streets in the Centro and Roma flood at kerbs during a downpour, so wear shoes you do not mind getting wet and cross at corners rather than mid-block.

Taxis and ride-hailing apps surge when it rains and traffic slows badly, so build in extra time or switch to the metro, which runs underground and is not affected by surface jams. Metro cars are packed at rush hour; keep bags in front of you and your phone out of sight.

Museum queues are longest late morning on weekends. Arrive at opening, buy tickets online where the museum offers it, and keep a second option in reserve in case a gallery is closed for a change of exhibition. Many museums close on Mondays, so check before you commit the day.

The wet season runs roughly May to October, with the heaviest, most reliable rain from June to September. It is rare for it to rain all day; the typical pattern is a clear morning, building cloud, then a strong afternoon or evening shower. December to April is the dry season and the most comfortable window for a first trip, though mornings can be cold at this altitude.

Because the rain is predictable, a wet-weather plan is usually a half-day plan, not a whole-day one. Schedule outdoor sights such as Teotihuacán, the Xochimilco canals or a walking tour for the morning, and keep a museum or a long indoor lunch for the afternoon. If a storm settles in for the evening, that is the moment for a covered market meal or a cinema rather than a rooftop bar.