Rainy Season in Cabo San Lucas: June to October

When to Expect Rain in Cabo

The rainy season in Cabo San Lucas (Baja California Sur, Mexico) typically runs from late June through early October, with peak rainfall in September.

Characteristics

• Annual rainfall is low overall (~200–300 mm), but September can bring 200+ mm (8–10 inches) in a few storms.
• Rain often comes as intense, brief tropical downpours or thunderstorms, sometimes from remnant hurricanes.
• Year-to-year variability is high: some years are very dry; others see flooding.

Travel Implications

Humidity rises, but temperatures remain warm. Tourist crowds thin, and prices drop. Hurricane risk is highest August–October. Most days are still sunny; rain is intermittent.