Average annual temperature is 27.2 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 17.3 °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) | 34.1 | 35.3 | 36.5 | 34.2 | 31.8 | 31.6 | 33.1 | 35.9 | 38.3 | 38.8 | 38.2 | 38.6 |
| Average daytime temperature (°C) | 31.6 | 33.4 | 32.1 | 31.9 | 30.1 | 29.7 | 30.7 | 32.1 | 34.0 | 35.8 | 35.8 | 35.5 |
| Average temperature (°C) | 26.8 | 28.2 | 27.0 | 26.6 | 25.5 | 24.6 | 25.0 | 26.1 | 27.6 | 29.3 | 30.0 | 29.8 |
| Average night temperature (°C) | 22.2 | 23.1 | 22.5 | 21.8 | 21.6 | 20.5 | 19.3 | 20.2 | 21.2 | 22.4 | 23.9 | 23.9 |
| Absolute minimum temperature (°C) | 20.8 | 20.6 | 19.6 | 20.1 | 19.7 | 19.0 | 17.6 | 17.3 | 19.2 | 20.1 | 21.4 | 21.5 |
| 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 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 10.9 | 11.0 | 10.0 | 10.4 | 9.0 | 8.2 | 9.8 | 9.5 | 10.6 | 11.3 | 11.4 | 10.8 |
| Precipitation (mm) | 40 | 26 | 87 | 53 | 68 | 30 | 3 | 6 | 1 | 0 | 18 | 28 |
| Sunny days | 6 | 12 | 11 | 7 | 9 | 11 | 23 | 19 | 23 | 30 | 18 | 20 |
| Rainy days | 25 | 16 | 20 | 23 | 22 | 19 | 8 | 12 | 7 | 1 | 12 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at