Toronto is the largest city of Canada, on Lake Ontario. Frankfurt has flights to Toronto. Abbasi Travels can search flights for you.
Late spring to early autumn is the most comfortable time. Winters are cold with snow. Figures and seasons differ between sources, so treat this as a rough guide.
Whether you need a visa depends on your passport and on how long you stay. Open our visa check to see what we have researched, and always confirm on the official government website before you book.