Poznań sää — kesäkuu

June is the forum's pick for Wrocław: the summer programme is fully under way but the weather has not yet turned unpleasant, which July and August can — posters describe those months reaching 35°C and humid, and advise avoiding high summer here outright. June sits near 25°C by day and 15 overnight, with long daylight, usually sunny weather and flowers out. The caveat is the one Poland always gets: bring layers and a waterproof alongside the t-shirts, because "usually sunny" is not "reliably dry" — rain still lands on about ten days of the month.

Forum posters describe January in Poland, Poznań included, as likely snowy and cold, though posters are direct this isn't guaranteed - one recent year turned out surprisingly mild, with temperatures well above 0C across much of the country. Posters generally describe the range of possible January days as genuinely wide: it could be +10C with heavy rain, -10C with heavy snowfall, sunny, or foggy, all within the same month. Posters consistently recommend checking a reliable Polish weather site closer to travel dates rather than relying on generic seasonal averages, given how variable a specific January in Poznań can turn out. Posters generally recommend preparing for cold, potentially snowy conditions while accepting that the exact experience varies significantly year to year.

Forum posters put July generally around 20-25C and pleasant, though occasional heat waves can push things warmer, and posters flag July as one of Poland's rainier months compared to May or September - with the caveat that many buildings lack air conditioning, so a heat wave can feel worse than the number suggests. For the visit itself, Poznan's Old Market Square with the town hall is called an absolute must, complete with a daily noon show of two mechanical goats butting heads on the tower - and the Old Town is described as lively and safe well into the evening. Visitors timing a trip for late June will just miss the Malta International Theatre Festival, though summer concerts pick up the slack in July.