Average annual temperature is 25.1 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 6.4 °C
Number of sunny days: 171 days
Number of rainy days: 194 days
Look at detailed online map of Santa Mercedes
* Weather data for Santa Mercedes Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.4 | 31.4 | 32.9 | 33.3 | 31.0 | 31.3 | 33.6 | 37.6 | 40.1 | 39.2 | 41.4 | 38.8 |
| Average daytime temperature (°C) | 30.1 | 29.3 | 30.1 | 28.3 | 28.1 | 25.4 | 29.8 | 31.8 | 34.3 | 34.2 | 34.7 | 35.2 |
| Average temperature (°C) | 25.2 | 24.8 | 25.3 | 23.5 | 22.1 | 19.2 | 22.7 | 25.0 | 27.5 | 28.3 | 28.3 | 29.2 |
| Average night temperature (°C) | 21.4 | 21.7 | 21.7 | 19.6 | 16.8 | 14.0 | 16.5 | 19.0 | 21.7 | 23.4 | 23.2 | 23.9 |
| Absolute minimum temperature (°C) | 19.0 | 19.7 | 20.1 | 15.0 | 13.1 | 6.4 | 9.2 | 15.3 | 12.0 | 19.3 | 15.4 | 20.6 |
| 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 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.5 | 8.8 | 9.7 | 9.7 | 9.5 | 9.0 | 10.0 | 9.2 | 10.3 | 10.7 | 10.7 | 11.7 |
| Precipitation (mm) | 261 | 234 | 185 | 184 | 29 | 84 | 4 | 43 | 47 | 118 | 142 | 90 |
| Sunny days | 1 | 0 | 5 | 14 | 27 | 26 | 29 | 20 | 20 | 10 | 10 | 9 |
| Rainy days | 30 | 28 | 26 | 16 | 4 | 4 | 2 | 11 | 10 | 21 | 20 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santa Mercedes is at