Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 189 days
Number of rainy days: 176 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) | 32.7 | 33.4 | 33.4 | 31.0 | 31.6 | 31.9 | 34.9 | 36.6 | 38.9 | 39.5 | 39.1 | 36.2 |
| Average daytime temperature (°C) | 29.9 | 30.1 | 29.7 | 29.6 | 30.1 | 30.6 | 32.2 | 34.1 | 36.2 | 37.7 | 36.3 | 34.3 |
| Average temperature (°C) | 25.2 | 25.4 | 25.1 | 25.0 | 25.8 | 26.0 | 26.9 | 28.3 | 30.0 | 31.4 | 30.4 | 29.0 |
| Average night temperature (°C) | 21.5 | 21.8 | 21.9 | 21.6 | 22.3 | 21.9 | 21.9 | 22.6 | 24.0 | 25.2 | 25.1 | 24.5 |
| Absolute minimum temperature (°C) | 20.2 | 20.2 | 20.3 | 20.2 | 20.8 | 20.1 | 20.2 | 21.1 | 22.7 | 22.8 | 22.6 | 22.6 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| 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) | 9.3 | 9.3 | 8.4 | 9.2 | 10.1 | 10.4 | 10.9 | 11.2 | 11.2 | 11.1 | 10.7 | 10.6 |
| Precipitation (mm) | 122 | 133 | 221 | 163 | 38 | 3 | 0 | 0 | 0 | 0 | 18 | 48 |
| Sunny days | 0 | 4 | 2 | 2 | 14 | 23 | 28 | 30 | 30 | 29 | 18 | 9 |
| Rainy days | 31 | 24 | 29 | 28 | 17 | 7 | 3 | 1 | 0 | 2 | 12 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at