Asunción experiences a humid subtropical climate with four distinct seasons, though winter remains mild and summer brings intense heat.

Rainfall is heaviest from October through March, making waterproof footwear and rain protection essential for navigating the city's sometimes poorly drained streets.

Summer temperatures regularly exceed 38°C, while winter lows rarely drop below 10°C, creating a 30-degree annual swing that demands wardrobe versatility.

High humidity persists year-round, often making the air feel considerably hotter than the thermometer suggests, particularly during the sweltering summer months.

Lightweight, breathable fabrics are the foundation of any Asunción wardrobe, as the city's combination of heat and humidity punishes anything synthetic or heavy.