Average annual temperature is 27.3 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 21.1 °C
Number of sunny days: 112 days
Number of rainy days: 253 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 | 32.3 | 32.3 | 31.8 | 32.9 | 34.1 | 36.2 | 36.5 | 37.4 | 36.9 | 37.5 | 36.8 |
| Average daytime temperature (°C) | 31.5 | 29.9 | 29.6 | 30.1 | 31.3 | 32.4 | 34.3 | 35.2 | 36.0 | 35.3 | 34.7 | 34.4 |
| Average temperature (°C) | 26.6 | 25.8 | 25.4 | 25.5 | 26.8 | 27.2 | 28.0 | 28.1 | 28.5 | 28.5 | 28.6 | 28.6 |
| Average night temperature (°C) | 23.3 | 22.9 | 22.7 | 22.7 | 23.7 | 23.7 | 24.0 | 24.1 | 24.5 | 24.6 | 24.8 | 25.0 |
| Absolute minimum temperature (°C) | 21.5 | 22.2 | 21.7 | 21.1 | 22.5 | 22.5 | 23.1 | 23.0 | 22.9 | 22.5 | 23.9 | 23.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 9.9 | 8.2 | 8.1 | 8.4 | 10.3 | 10.4 | 11.1 | 11.3 | 11.1 | 11.1 | 10.9 | 10.4 |
| Precipitation (mm) | 172 | 213 | 402 | 318 | 84 | 60 | 6 | 4 | 1 | 8 | 19 | 39 |
| Sunny days | 1 | 0 | 0 | 2 | 3 | 10 | 21 | 22 | 22 | 16 | 10 | 5 |
| Rainy days | 30 | 28 | 31 | 28 | 28 | 20 | 10 | 9 | 8 | 15 | 20 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho is at