Locarno is Switzerland’s hotspot for tropical nights.

Keystone-SDA

Nowhere else in Switzerland has there been such a high number of tropical nights since records began: so far this summer, the temperature in Locarno-Monti has not fallen below 20°C on 47 nights. In Lugano, Ticino’s largest city, the figure stands at 44 nights.

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August 11, 2026 - 11:37