Poland in April

April along the coast often brings sharp, sunny days alternating with grey, rainy spells; the sea stays cool and bathing is rare except for hardy swimmers. Migrant birds pass through the Vistula Lagoon and the re-opened waterfronts in Gdańsk look lively for café terraces on calm afternoons. Breezy evenings demand an extra layer even when daytime highs feel pleasant. Expect spring storms to occasionally disrupt ferry timetables to the islands.

By May the lakes are waking: daytime temperatures are often mild and water temperatures rise enough for cautious swimming at shallow beaches near Mikołajki. Mosquitoes begin to appear in reedier spots, so insect repellent is essential for shoreline camping and kayaking. Weekend marinas get busier as yacht traffic increases and small-town cafés start full summer hours. Expect pleasant light and green landscapes ideal for cycling and paddling.

By May the central plains often feel genuinely springlike: parks green up, daytime highs are typically in the late teens to low twenties, and riverside cafés reopen for alfresco lunches. It’s a popular month for festivals and long walks in Kampinos National Park outside Warsaw because humidity is still low. Expect pollen peaks that can affect sensitive travelers, and some rural roads remain muddy from spring thaw. Light layers, sunglasses, and a rain shell are useful.

By May the lowlands are green and mild; daytime highs often reach the high teens and early twenties and city parks fill with locals. Wine festivals in Zielona Góra and outdoor markets in Wrocław give the region a convivial air, while rural cycling routes open up in comfortable conditions. Be mindful of pollen for allergy sufferers, and pack a light jacket for evenings. Book restaurants for festival weekends.

By May the region is comfortably warm with daytime highs often in the high teens to low twenties; outdoor terraces in Kraków are busy and festivals pick up. Mountain air from the Beskids occasionally cools evenings in the foothills, making early-morning hikes fresh. The holiday crowds have not yet peaked, so it’s a good time to visit museums and take day trips to the Wieliczka Salt Mine. Pack light layers and a waterproof for occasional showers.

By April the mountains are in transition: higher trails remain deep in snow but valley floors warm enough for early-season hikes and mountain roads open more regularly. Tourist businesses in Zakopane shift between winter and summer services, making scheduling of cable cars and guided climbs variable. Expect muddy boot tracks and unpredictable mountain weather; pack waterproofs, gaiters and check trail status at the park visitor centre. Wild crocuses and snow patches make for striking contrasts.