Average annual temperature is 17.8 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 185 days
Number of rainy days: 180 days
Look at detailed online map of Tres Islas
* Weather data for Tres Islas Uruguay is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.6 | 37.2 | 34.2 | 27.9 | 25.6 | 23.9 | 25.0 | 26.8 | 26.7 | 27.8 | 30.5 | 33.1 |
| Average daytime temperature (°C) | 31.5 | 30.1 | 28.7 | 22.4 | 20.5 | 17.5 | 16.3 | 18.6 | 19.2 | 21.8 | 24.2 | 25.9 |
| Average temperature (°C) | 25.1 | 24.0 | 23.7 | 17.2 | 15.6 | 12.8 | 11.9 | 12.8 | 14.7 | 16.1 | 19.0 | 21.5 |
| Average night temperature (°C) | 18.9 | 18.7 | 19.7 | 13.0 | 12.0 | 9.1 | 8.4 | 8.0 | 11.0 | 10.7 | 14.3 | 17.2 |
| Absolute minimum temperature (°C) | 13.7 | 10.4 | 12.9 | 8.1 | 4.1 | 0.7 | -0.6 | 0.9 | 4.7 | 2.5 | 7.1 | 11.3 |
| 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 | 13.2 | 12.3 | 11.3 | 10.5 | 10.0 | 10.2 | 11.0 | 11.9 | 12.9 | 13.8 | 14.2 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.5 | 10.9 | 8.9 | 9.4 | 6.6 | 6.7 | 6.0 | 8.5 | 5.5 | 10.3 | 9.0 | 8.9 |
| Precipitation (mm) | 20 | 66 | 145 | 26 | 81 | 147 | 119 | 65 | 268 | 34 | 201 | 180 |
| Sunny days | 20 | 15 | 13 | 16 | 19 | 14 | 18 | 20 | 6 | 19 | 13 | 12 |
| Rainy days | 11 | 13 | 18 | 14 | 12 | 16 | 13 | 11 | 24 | 12 | 17 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Tres Islas during the most sunny months:
The largest precipitation sum in Tres Islas is at