Average annual temperature is 22.5 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 5.6 °C
Number of sunny days: 171 days
Number of rainy days: 194 days
Look at detailed online map of San Juan Guasu
* Weather data for San Juan Guasu Paraguay is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.8 | 37.1 | 36.0 | 32.2 | 28.6 | 27.3 | 28.1 | 31.4 | 34.4 | 34.5 | 35.7 | 35.9 |
| Average daytime temperature (°C) | 33.2 | 32.1 | 31.2 | 26.6 | 23.9 | 22.5 | 22.7 | 25.4 | 27.4 | 27.3 | 29.1 | 30.9 |
| Average temperature (°C) | 27.2 | 26.4 | 25.7 | 21.3 | 19.0 | 17.7 | 18.1 | 20.0 | 22.4 | 22.4 | 24.3 | 26.2 |
| Average night temperature (°C) | 21.8 | 21.2 | 21.4 | 16.9 | 15.2 | 14.2 | 14.7 | 15.8 | 18.4 | 18.6 | 20.5 | 22.4 |
| Absolute minimum temperature (°C) | 15.8 | 13.7 | 17.3 | 11.2 | 9.1 | 7.2 | 5.6 | 7.4 | 8.7 | 11.4 | 10.6 | 16.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.4 | 11.3 | 10.0 | 8.6 | 7.3 | 7.5 | 8.0 | 9.1 | 8.5 | 8.5 | 9.4 | 9.8 |
| Precipitation (mm) | 87 | 62 | 179 | 115 | 283 | 41 | 118 | 81 | 296 | 239 | 430 | 266 |
| Sunny days | 12 | 14 | 11 | 16 | 17 | 19 | 19 | 22 | 13 | 10 | 9 | 9 |
| Rainy days | 19 | 14 | 20 | 14 | 14 | 11 | 12 | 9 | 17 | 21 | 21 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Juan Guasu during the most sunny months:
The largest precipitation sum in San Juan Guasu is at