Average annual temperature is 24.8 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 40 days
Number of rainy days: 325 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) | 33.1 | 34.9 | 34.2 | 35.0 | 30.2 | 29.5 | 30.8 | 32.7 | 34.7 | 36.4 | 36.6 | 36.1 |
| Average daytime temperature (°C) | 31.2 | 32.7 | 31.3 | 31.4 | 28.4 | 27.0 | 27.3 | 28.5 | 29.8 | 32.4 | 33.7 | 33.3 |
| Average temperature (°C) | 25.5 | 26.3 | 25.4 | 25.6 | 23.8 | 22.6 | 22.2 | 23.0 | 23.9 | 25.7 | 26.9 | 26.9 |
| Average night temperature (°C) | 21.2 | 21.6 | 21.5 | 21.5 | 21.0 | 19.6 | 18.8 | 19.2 | 19.8 | 20.7 | 21.7 | 22.0 |
| Absolute minimum temperature (°C) | 19.7 | 19.7 | 19.1 | 18.9 | 18.6 | 16.2 | 15.6 | 15.7 | 16.6 | 17.8 | 19.0 | 20.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| 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 | 12.0 |
| Sunshine mean duration (h) | 10.9 | 11.0 | 9.9 | 10.0 | 7.3 | 7.2 | 8.3 | 9.1 | 9.0 | 10.3 | 10.4 | 10.5 |
| Precipitation (mm) | 85 | 40 | 70 | 47 | 112 | 50 | 42 | 36 | 46 | 14 | 22 | 49 |
| Sunny days | 0 | 2 | 0 | 2 | 1 | 1 | 2 | 4 | 1 | 8 | 10 | 9 |
| Rainy days | 31 | 26 | 31 | 28 | 30 | 29 | 29 | 27 | 29 | 23 | 20 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at