The climate Masuria changes significantly from month to month. Knowing typical weather helps choose the best time and pack accordingly. January-March Winter. Temperatures 0-15°C depending on region. Snow in mountains, rain on the coast. Short days. Pack layers, waterproof jacket. April-June Spring to early summer. 15-25°C. Nature in bloom. Ideal time — not too hot, no crowds. Layers + umbrella just in case. July-August Peak summer. 25-38°C. Very hot in the south. Air conditioning mandatory in hotels. Light clothes, plenty of water, SPF 50 filters. September-November Autumn. Mild temperatures 15-25°C in September, dropping to 10-18°C in November. Beautiful colors. Rain increasingly frequent. Advice The ForAll portal has detailed forecast + period photos.