Short answer
The wet season runs from March to June, peaking in May and June. Rain can be heavy and prolonged, and the Li River can flood. July and August are still wet but less consistently so.
The pattern
Guilin's wet season begins in March and runs through June, with the heaviest rain in May and June. April and May bring frequent drizzle and mist, which is beautiful for photography but hard on outdoor plans. June can bring thunderstorms and flooding.
The rain is not constant. It often arrives in squalls or overnight, with clearer mornings between. But multi-day rain is common, especially in June. The May and June pages cover the details.
How it affects the river
Heavy rain raises the Li River and turns it brown. The cruise can be cancelled or shortened during flood peaks, and bamboo rafts are often suspended. The water level guide explains how the river behaves.
The upside is mist. The karst disappearing into cloud is the classic Guilin image, and the light can be extraordinary between storms. Photographers often choose this season deliberately.
Planning around it
Build in a spare day and keep your plans flexible. Book refundable cruises where possible, and have indoor options ready: caves, museums, and long lunches. The rainy day plan lists them.
Pack a rain shell, dry bags, and quick-drying clothes. The best time question explains the drier months.
Related questions
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