Yunnan has a dry season and a wet season, but the details depend on where you are. The northwest is continental and cold at night; the south is tropical and humid; the central plateau is mild but stormy in summer. Travelers who pack for 'China' rather than for altitude and region tend to be uncomfortable.
Checklist
- Waterproof shell with a hood
- Warm mid-layer and hat for altitude
- Quick-dry trousers and broken-in shoes
- Dry bag for electronics
- Sun protection and insect repellent
Dry season and wet season
The dry season runs roughly November–April. Skies are clearer, roads are more reliable, and nights are cold at altitude. The wet season runs May–October, with heavy rain, lush landscapes, and occasional landslides. The shoulder months — May–June and September–October — often offer the best balance of green scenery and manageable weather.
Rain in the wet season is often intense but short. A waterproof shell and dry bag are more useful than an umbrella, especially on trails. Afternoon storms can cancel cable cars, boat trips, and mountain views. Build flexibility into your schedule rather than treating a weather day as a failure.
- Nov–Apr: dry, clear, cold nights at altitude
- May–Oct: wet, green, landslide risk on mountain roads
- Shoulder months: best compromise for most routes
What to pack
Layers are essential: a moisture-wicking base, an insulating mid-layer, and a waterproof shell. A warm hat and gloves are useful in the northwest even in summer. Sun protection matters year-round; the plateau sun is strong. Shoes should have grip and be broken in before you leave.
A small dry bag protects electronics and documents. Quick-dry trousers are more practical than jeans. If you are hiking, trekking poles reduce strain on steep descents. Insect repellent is essential in the tropical south and useful in forest areas.
- Dry season
- November–April
- Wet season
- May–October
- Best months
- October–November, March–May
- Risk
- Landslides on mountain roads in heavy rain
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