Average annual temperature is 19.1 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 0.6 °C
Number of sunny days: 205 days
Number of rainy days: 160 days
Look at detailed online map of Gualeguaychú
* Weather data for Gualeguaychú Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 39.1 | 39.8 | 38.3 | 28.9 | 25.2 | 26.5 | 26.6 | 29.0 | 28.3 | 31.2 | 33.5 | 32.6 |
| Average daytime temperature (°C) | 33.9 | 31.0 | 31.1 | 22.8 | 20.6 | 17.4 | 17.2 | 19.4 | 19.8 | 24.1 | 26.6 | 27.5 |
| Average temperature (°C) | 27.9 | 25.2 | 26.1 | 18.0 | 15.9 | 12.7 | 12.8 | 14.0 | 15.3 | 18.1 | 21.0 | 22.9 |
| Average night temperature (°C) | 21.9 | 19.9 | 21.6 | 13.9 | 12.1 | 8.9 | 9.3 | 9.8 | 11.3 | 12.9 | 16.0 | 18.5 |
| Absolute minimum temperature (°C) | 16.4 | 10.3 | 13.8 | 7.1 | 3.5 | 0.6 | 2.0 | 1.7 | 4.0 | 5.3 | 7.7 | 14.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.3 | 12.3 | 11.3 | 10.4 | 10.0 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.6 | 10.8 | 9.8 | 8.8 | 7.6 | 6.9 | 6.3 | 8.4 | 7.4 | 9.7 | 10.0 | 10.3 |
| Precipitation (mm) | 41 | 73 | 226 | 35 | 97 | 14 | 80 | 27 | 34 | 111 | 77 | 214 |
| Sunny days | 22 | 15 | 13 | 18 | 17 | 17 | 18 | 22 | 18 | 19 | 15 | 11 |
| Rainy days | 9 | 13 | 18 | 12 | 14 | 13 | 13 | 9 | 12 | 12 | 15 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gualeguaychú during the most sunny months:
The largest precipitation sum in Gualeguaychú is at