Average annual temperature is 25.8 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 103 days
Number of rainy days: 262 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) | 34.9 | 35.4 | 36.0 | 34.5 | 31.3 | 28.7 | 29.4 | 34.4 | 37.3 | 39.0 | 37.3 | 36.4 |
| Average daytime temperature (°C) | 32.6 | 33.5 | 32.2 | 31.1 | 28.8 | 27.2 | 27.5 | 29.3 | 31.5 | 34.3 | 35.1 | 34.1 |
| Average temperature (°C) | 26.8 | 27.3 | 26.4 | 25.9 | 24.6 | 23.2 | 23.0 | 24.0 | 25.4 | 27.2 | 28.3 | 27.8 |
| Average night temperature (°C) | 21.8 | 22.1 | 21.9 | 21.7 | 21.5 | 20.5 | 19.5 | 20.0 | 20.6 | 21.0 | 22.2 | 22.4 |
| Absolute minimum temperature (°C) | 20.3 | 20.1 | 20.1 | 20.5 | 20.2 | 18.6 | 17.5 | 17.7 | 19.1 | 18.1 | 19.6 | 20.9 |
| 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 | 12.0 | 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 | 10.2 | 10.5 | 8.7 | 8.7 | 9.0 | 9.6 | 10.2 | 11.0 | 11.6 | 10.6 |
| Precipitation (mm) | 61 | 21 | 96 | 38 | 88 | 78 | 37 | 34 | 20 | 4 | 12 | 25 |
| Sunny days | 11 | 8 | 6 | 7 | 2 | 3 | 3 | 5 | 10 | 17 | 17 | 14 |
| Rainy days | 20 | 20 | 25 | 23 | 29 | 27 | 28 | 26 | 20 | 14 | 13 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at