Short answer
Choose cloth for the places and seasons where you expect to wear these wedding suits. Ask the tailor about fibre, weight, weave and care for the specific options; a city's name alone does not determine the right cloth.
Wedding cloth is chosen against the venue’s light — midnight blue reads blacker than black in photographs, lighter greys suit daylight ceremonies, silk blends carry evening receptions.
January visits lean towards winter cloth — flannel, cashmere blends and deeper twills. July brings the lighter weights: tropical wool, linen blends and fresco.
The full cloth books span fresh open weaves through four-season high-twist to winter flannels and cashmere blends. Bring the tailor your calendar; the shortlist comes back two or three cloths wide.
The itinerary is a proposal: months are planned, dates and venues confirmed individually. Final quotations are confirmed in writing before you commit.