Paraguay Weather & Climate: Monthly Averages

Paraguay has a characteristically sub-tropical climate, with a rainy season during the summer months from October to April.

Rainfall and Regional Variations

In the region around Asunción, annual rainfall amounts to approximately 1000 mm (39 in). Eastern regions with forests receive about 1500 mm (59 in) annually, while the more western region, called Chaco, receives close to 800 mm (31 in). Variations in rainfall depend on how far each part of the country is from the sea: rainfall increases when moving eastward and decreases in the west.

Chaco Region's Climate

In general, Chaco has a tropical climate and experiences very hot summers, while winters are relatively warm. From December to March, the mean temperature ranges from 30°C (86°F) to 33°C (91°F). In some northern locations of Paraguay, the heat can rise as high as 38°C (100°F) during the summer months. The winter season is more pleasant and drier, with temperatures ranging between 13°C (55°F) and 21°C (70°F).

Best Time to Visit Paraguay

Bearing in mind the extreme heat and heavy rainfall during summer, the best time to travel to Paraguay is during winter, from May through September.

However, since there are climatic variations in different regions of Paraguay, it is advisable to check the specific weather conditions for the region you plan to visit. Weather can change significantly over short distances.