Average annual temperature is 25.8 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: 20.9 °C
Number of sunny days: 13 days
Number of rainy days: 352 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) | 29.4 | 29.4 | 29.8 | 29.9 | 29.3 | 28.5 | 27.5 | 28.6 | 28.8 | 29.6 | 30.4 | 30.1 |
| Average daytime temperature (°C) | 28.4 | 28.5 | 28.6 | 28.5 | 27.9 | 26.7 | 26.4 | 26.8 | 27.1 | 28.2 | 29.4 | 28.9 |
| Average temperature (°C) | 26.2 | 26.6 | 26.4 | 26.3 | 25.9 | 25.0 | 24.5 | 24.8 | 25.0 | 25.7 | 26.8 | 26.5 |
| Average night temperature (°C) | 24.1 | 24.8 | 24.3 | 24.2 | 24.1 | 23.5 | 22.7 | 23.0 | 23.1 | 23.6 | 24.5 | 24.5 |
| Absolute minimum temperature (°C) | 22.8 | 23.1 | 22.6 | 23.0 | 23.2 | 22.2 | 20.9 | 21.0 | 21.3 | 21.4 | 22.9 | 23.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.3 | 10.9 | 10.5 | 10.3 | 9.9 | 8.8 | 9.9 | 10.3 | 10.5 | 11.5 | 11.7 | 10.8 |
| Precipitation (mm) | 84 | 88 | 166 | 130 | 177 | 255 | 153 | 105 | 102 | 57 | 48 | 123 |
| Sunny days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 4 | 1 |
| Rainy days | 28 | 28 | 31 | 30 | 31 | 30 | 31 | 29 | 30 | 28 | 26 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at