Short answer
Paraguay has hot, rainy summers and mild, drier winters, with the seasons of the southern hemisphere. In Asunción, the 1991 to 2020 normals give an average high of 34.0 °C in January and an average low of 12.9 °C in July, with 1,462 mm of rain a year. November is the wettest month (195 mm) and August the driest (39 mm). The Chaco is hotter and drier: Mariscal Estigarribia receives 760 mm a year. For a visit, June and July are the coolest months, and July and August the driest. Normals of the World Meteorological Organization, read on October 7, 2026.
Asunción month by month
| Month | Average high | Average low | Rain |
|---|---|---|---|
| January | 34.0 °C | 23.1 °C | 133 mm |
| February | 33.0 °C | 22.5 °C | 146 mm |
| March | 31.9 °C | 21.5 °C | 131 mm |
| April | 29.2 °C | 18.9 °C | 152 mm |
| May | 24.9 °C | 15.5 °C | 134 mm |
| June | 23.5 °C | 14.2 °C | 71 mm |
| July | 23.6 °C | 12.9 °C | 48 mm |
| August | 26.2 °C | 14.6 °C | 39 mm |
| September | 27.9 °C | 16.5 °C | 79 mm |
| October | 30.1 °C | 19.5 °C | 158 mm |
| November | 31.2 °C | 20.3 °C | 195 mm |
| December | 32.8 °C | 22.2 °C | 177 mm |
| Year | 29.0 °C | 18.5 °C | 1,462 mm |
Station at Silvio Pettirossi airport, 83 m above sea level. Averages for 1991 to 2020: the average high and low are the means of each day's maximum and minimum.
8 stations, from the Chaco to the south-east
| Station | January average high | July average low | Rain per year | Driest month |
|---|---|---|---|---|
| Asunción, Silvio Pettirossi airport | 34.0 °C | 12.9 °C | 1,462 mm | August, 39 mm |
| Guaraní airport, 23 km from Ciudad del Este | 32.5 °C | 11.4 °C | 1,856 mm | August, 80 mm |
| Encarnación | 32.8 °C | 10.2 °C | 1,804 mm | August, 80 mm |
| Concepción | 34.6 °C | 13.2 °C | 1,410 mm | August, 29 mm |
| Pedro Juan Caballero | 30.6 °C | 13.3 °C | 1,709 mm | July, 53 mm |
| Villarrica | 33.1 °C | 12.0 °C | 1,707 mm | August, 63 mm |
| Pilar | 33.4 °C | 10.6 °C | 1,459 mm | August, 37 mm |
| Mariscal Estigarribia (Chaco) | 36.1 °C | 12.6 °C | 760 mm | July, 7 mm |
Rain increases from west to east: 760 mm a year at Mariscal Estigarribia in the Chaco, 1,462 mm in Asunción, 1,856 mm at Guaraní airport near Ciudad del Este. At all 8 stations, January has the highest average high and July the lowest average low.
Pedro Juan Caballero, at 563 m, has the mildest January: an average high of 30.6 °C.
Days at 35 °C or more
Count from the yearbooks of the Dirección de Meteorología e Hidrología for 2021 to 2025, the same one behind the climate criterion of our city ranking.
- Asunción (Silvio Pettirossi airport): 73 days a year on average, from 49 in 2021 to 92 in 2024.
- Guaraní airport, near Ciudad del Este: 55 days a year.
- Villarrica: 49 days a year, over 2021 to 2024.
- Encarnación: 40 days a year.
- Pedro Juan Caballero: 38 days a year.
Choosing a season
A normal is a 30-year average: a given week can be far from it. For the forecast, see the Dirección de Meteorología e Hidrología.
- June to August: the 3 driest months, with June and July the coolest. In Asunción, average highs of 23.5 to 26.2 °C and 39 to 71 mm of rain a month.
- December to February: the hottest months. In Asunción, average highs of 32.8 to 34.0 °C and 133 to 177 mm of rain a month.
- October to December: the 3 wettest months in Asunción, with 158 to 195 mm a month.
- March to May and September: in between, with average highs of 24.9 to 31.9 °C in Asunción.
- Encarnación's beaches: January has the highest average high there, 32.8 °C.