Average annual temperature is 27.5 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of Riacho Sêco
* Weather data for Riacho Sêco 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) | 35.5 | 35.0 | 36.1 | 31.6 | 31.9 | 32.7 | 34.1 | 35.6 | 36.9 | 38.0 | 37.3 | 37.3 |
| Average daytime temperature (°C) | 33.4 | 32.8 | 31.1 | 30.2 | 30.4 | 30.5 | 31.3 | 33.8 | 35.0 | 36.0 | 35.6 | 35.1 |
| Average temperature (°C) | 27.9 | 27.4 | 26.3 | 25.6 | 26.0 | 25.7 | 25.8 | 27.7 | 28.5 | 29.6 | 29.6 | 29.3 |
| Average night temperature (°C) | 23.0 | 22.7 | 22.3 | 21.8 | 22.0 | 21.7 | 20.5 | 21.9 | 22.3 | 23.3 | 23.9 | 24.0 |
| Absolute minimum temperature (°C) | 21.4 | 21.0 | 20.9 | 20.4 | 20.9 | 20.0 | 18.9 | 20.8 | 20.5 | 22.3 | 22.4 | 22.1 |
| 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) | 12.5 | 12.3 | 12.1 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| 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) | 11.2 | 10.6 | 9.2 | 10.7 | 10.1 | 9.6 | 10.3 | 10.6 | 10.8 | 11.4 | 11.3 | 10.4 |
| Precipitation (mm) | 84 | 61 | 186 | 61 | 26 | 32 | 20 | 1 | 0 | 0 | 9 | 25 |
| Sunny days | 12 | 6 | 6 | 5 | 9 | 10 | 25 | 29 | 28 | 30 | 24 | 23 |
| Rainy days | 19 | 22 | 25 | 25 | 22 | 20 | 6 | 2 | 2 | 1 | 6 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riacho Sêco is at