Let weather choose the route shape
The day works better when humid heat, heavy monsoon bursts, and evenings that feel kinder than midday are planned into it early.
- Anchor the day around Marina Beach or Kapaleeshwarar Temple.
- Keep San Thome Basilica for the right weather and timing.
Weather in Chennai is not just a packing note. It decides whether Marina Beach belongs early, whether San Thome Basilica still feels sensible, and where you should keep a cafe, mall, museum, or short walk as a fallback.
The practical rule is simple: Kapaleeshwarar Temple or Government Museum first, food and shopping in the middle, Marina Beach near sunset. That keeps the day grounded instead of making it feel like a loose checklist.