Average annual temperature is 24.0 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 12.1 °C
Number of sunny days: 176 days
Number of rainy days: 189 days
Look at detailed online map of Riacho
* Weather data for Riacho 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) | 31.1 | 34.6 | 34.4 | 35.4 | 31.0 | 28.9 | 30.8 | 34.9 | 38.2 | 38.1 | 39.5 | 36.8 |
| Average daytime temperature (°C) | 28.9 | 32.3 | 32.5 | 30.2 | 28.1 | 26.8 | 26.7 | 29.3 | 31.5 | 32.8 | 34.6 | 33.7 |
| Average temperature (°C) | 23.6 | 25.5 | 25.6 | 24.2 | 21.9 | 20.6 | 20.3 | 22.1 | 24.2 | 26.0 | 27.3 | 26.9 |
| Average night temperature (°C) | 20.0 | 20.0 | 20.0 | 20.0 | 17.1 | 15.7 | 15.4 | 16.5 | 18.8 | 20.7 | 21.0 | 21.5 |
| Absolute minimum temperature (°C) | 18.3 | 18.1 | 17.6 | 17.4 | 12.8 | 12.8 | 12.2 | 12.1 | 15.7 | 18.0 | 16.8 | 19.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.5 | 12.0 | 12.5 | 12.9 | 13.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.1 | 11.6 | 11.1 | 8.3 | 8.8 | 9.5 | 8.9 | 9.4 | 9.5 | 9.5 | 11.1 | 11.1 |
| Precipitation (mm) | 146 | 22 | 19 | 99 | 20 | 3 | 25 | 15 | 24 | 47 | 19 | 106 |
| Sunny days | 2 | 8 | 16 | 6 | 16 | 23 | 21 | 17 | 20 | 15 | 21 | 11 |
| Rainy days | 29 | 20 | 15 | 24 | 15 | 7 | 10 | 14 | 10 | 16 | 9 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at