Average annual temperature is 27.5 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 222 days
Number of rainy days: 143 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) | 32.4 | 34.8 | 35.4 | 33.4 | 32.7 | 33.5 | 35.3 | 37.7 | 38.9 | 39.3 | 38.9 | 38.7 |
| Average daytime temperature (°C) | 30.4 | 32.9 | 31.5 | 31.3 | 30.7 | 32.3 | 32.7 | 34.4 | 36.3 | 37.5 | 36.1 | 35.9 |
| Average temperature (°C) | 25.2 | 27.3 | 26.4 | 25.9 | 25.7 | 26.0 | 26.0 | 27.6 | 29.2 | 31.0 | 29.8 | 29.8 |
| Average night temperature (°C) | 20.7 | 22.1 | 21.8 | 21.2 | 21.2 | 20.0 | 19.5 | 20.9 | 22.2 | 24.4 | 23.9 | 24.3 |
| Absolute minimum temperature (°C) | 19.4 | 20.2 | 19.0 | 19.1 | 17.9 | 16.7 | 16.7 | 18.6 | 18.7 | 22.0 | 22.1 | 21.1 |
| 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) | 12.7 | 12.4 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 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) | 10.9 | 11.4 | 10.4 | 10.5 | 9.7 | 10.2 | 10.4 | 10.8 | 11.3 | 11.3 | 11.1 | 10.9 |
| Precipitation (mm) | 78 | 23 | 113 | 50 | 43 | 0 | 0 | 0 | 0 | 1 | 44 | 68 |
| Sunny days | 3 | 7 | 8 | 10 | 15 | 29 | 31 | 31 | 27 | 29 | 17 | 15 |
| Rainy days | 28 | 21 | 23 | 20 | 16 | 1 | 0 | 0 | 3 | 2 | 13 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at