Average annual temperature is 27.5 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 20.9 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Riacho Seco
* Weather data for Riacho Seco 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) | 34.2 | 32.6 | 33.1 | 32.2 | 32.2 | 32.5 | 34.3 | 36.3 | 37.8 | 38.9 | 38.1 | 38.6 |
| Average daytime temperature (°C) | 31.5 | 30.8 | 30.0 | 30.5 | 31.1 | 31.0 | 32.3 | 34.4 | 36.4 | 36.6 | 36.2 | 35.6 |
| Average temperature (°C) | 26.2 | 25.9 | 25.4 | 25.8 | 26.7 | 26.5 | 27.2 | 28.1 | 29.4 | 29.5 | 29.6 | 29.2 |
| Average night temperature (°C) | 22.9 | 22.8 | 22.7 | 22.8 | 23.3 | 23.0 | 23.3 | 23.4 | 24.2 | 24.7 | 25.2 | 25.1 |
| Absolute minimum temperature (°C) | 20.9 | 21.9 | 21.4 | 21.9 | 21.9 | 21.8 | 21.4 | 22.5 | 23.0 | 24.1 | 24.2 | 24.0 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 9.5 | 8.9 | 7.5 | 8.6 | 10.0 | 10.7 | 11.1 | 11.3 | 11.4 | 11.1 | 10.9 | 10.0 |
| Precipitation (mm) | 217 | 305 | 498 | 273 | 118 | 60 | 9 | 4 | 1 | 14 | 11 | 86 |
| Sunny days | 1 | 2 | 1 | 2 | 3 | 7 | 14 | 15 | 24 | 15 | 10 | 5 |
| Rainy days | 30 | 26 | 30 | 28 | 28 | 23 | 17 | 16 | 6 | 16 | 20 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho Seco is at