December brings a magic Christmas tour scene that draws visitors specifically for seasonal celebrations. The rest of the year stays fairly mild - typical central Mexico highlands weather. Avoid August-September if you dislike heavy rain.

For popular experiences like the wine route tours or private guide walks, booking a week ahead gives you solid availability. Christmas-season tours can fill faster, so aim for 2-3 weeks if December matters to you.

The alleys here are genuinely confusing - locals joke about getting lost themselves. A guide transforms a potentially frustrating wandering session into real history and context. Private alley tours with student guides are popular for good reason, plus guides know which restaurants actually serve locals, not just tourists.

For day trips to places like Tolantongo caves, Morelia, or the wine route, yes - you're paying for transportation and insider access, not just someone walking ahead. For in-city tours, a guide mainly saves you 90 minutes of being lost and connects you to stories you'd otherwise miss.

Walking tours usually cover a 2-3 hour loop through old town. Day trips typically include transport from your hotel, guide, and entry fees where relevant. Wine tours add tastings and food pairings. Check before you go on each booking since inclusions vary - some horseback experiences pair with wine, others don't.

The alleys are steep, narrow, and cobblestone - not wheelchair-friendly at all. Families with kids do fine if everyone's comfortable with uphill walking. ATV tours and horseback rides are available if you want something more active.

Walking is the main way through the historic center, though taxis are cheap and plentiful for longer distances. For day trips to surrounding towns and caves, hiring a private car or booking a group tour beats trying to navigate buses.