Wanaka in May

December through February brings peak summer — perfect lake temperatures for swimming and long daylight hours for hiking. But everyone else knows this too. Accommodation prices double and popular trails like Roy's Peak get clogged with tour groups by 9am. June to August delivers proper winter with skiing at Cardrona and Treble Cone. The town takes on a cozy alpine vibe, though some restaurants close and weather can trap you indoors for days. March and April offer the sweet spot — warm days, cool nights, and those famous golden autumn colors around the poplars. September through November sees spring wildflowers but unpredictable weather. Pack layers regardless of season.