Climate & Weather

Climate & Weather in Paraguay

Paraguay has a subtropical climate with distinct wet and dry seasons. The weather is generally warm year-round, with hot summers and mild winters.

Seasonal Overview

Summer (November - March):

• Hot and humid
• Average: 27-35°C (80-95°F)
• Can reach 38-43°C (100-109°F)
• Rainy season with afternoon thunderstorms
• Most rainfall in November-December

Autumn (April):

• Transition period
• Temperatures cooling
• Less humidity
• Pleasant weather

Winter (May - August):

• Mild temperatures
• Average: 12-22°C (54-72°F)
• Can drop to 0-5°C (32-41°F) some nights
• Occasional cold fronts (pampero winds)
• Generally dry

Spring (September - October):

• Warming temperatures
• Variable weather
• Some rain returning
• Generally pleasant

Temperature Ranges

Rainfall

• Annual rainfall in Asuncion: ~1,600mm (64 inches)
• Wettest months: October-December
• Driest months: July-August
• Afternoon thunderstorms common in summer
• Flash flooding possible in some areas

Regional Variations

Asuncion:

• Typical subtropical, hot summers
• Urban heat island effect

Encarnacion (Southern Paraguay):

• Slightly milder than Asuncion
• More pleasant summer temperatures
• Cooler winters

Chaco Region (Northwest):

• Semi-arid climate
• Extreme summer heat (45°C+)
• Very different from eastern Paraguay

Living with the Climate

Summer survival:

• Air conditioning is essential (electricity is cheap)
• Stay hydrated - heat can be oppressive
• Avoid outdoor activities 11am-3pm
• Many businesses close during siesta hours
• Swimming pools common in apartment buildings

Winter comfort:

• Heating rarely needed
• A few cold days may require warm clothing
• Buildings often not insulated (can feel colder inside)
• Hot drinks (mate, cocido) are cultural staples

Best Time to Live/Visit

Best months: May through September

• Mild temperatures
• Low humidity
• Minimal rain
• Pleasant for outdoor activities

Challenging months: December through February

• Peak heat and humidity
• Frequent rain
• Many locals vacation during this period

Weather Impacts on Daily Life

• Traffic: Heavy rain = major traffic issues in Asuncion
• Power: Occasional outages during storms
• Mosquitoes: Peak during warm, wet months (dengue risk)
• Social life: Outdoor events avoid midday summer heat