Average annual temperature is 27.8 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Riachão
* Weather data for Riachão 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) | 31.3 | 31.8 | 32.0 | 31.0 | 31.6 | 32.4 | 35.4 | 37.1 | 39.5 | 39.3 | 38.1 | 36.3 |
| Average daytime temperature (°C) | 29.2 | 29.5 | 29.5 | 29.8 | 30.2 | 30.9 | 32.6 | 34.8 | 37.1 | 38.0 | 35.8 | 33.7 |
| Average temperature (°C) | 25.3 | 25.5 | 25.4 | 25.6 | 26.2 | 26.3 | 27.4 | 29.4 | 31.3 | 32.2 | 30.3 | 28.8 |
| Average night temperature (°C) | 21.9 | 22.2 | 22.2 | 22.1 | 22.6 | 22.1 | 22.6 | 24.2 | 25.1 | 26.0 | 25.1 | 24.5 |
| Absolute minimum temperature (°C) | 20.8 | 20.8 | 20.9 | 19.2 | 20.5 | 20.1 | 21.1 | 23.4 | 22.6 | 24.6 | 23.1 | 23.1 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 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) | 10.3 | 9.5 | 8.7 | 9.7 | 10.5 | 10.9 | 11.1 | 11.2 | 11.3 | 11.1 | 10.9 | 10.2 |
| Precipitation (mm) | 221 | 161 | 276 | 174 | 55 | 3 | 0 | 1 | 0 | 1 | 40 | 68 |
| Sunny days | 0 | 0 | 1 | 2 | 9 | 21 | 29 | 27 | 30 | 26 | 13 | 7 |
| Rainy days | 31 | 28 | 30 | 28 | 22 | 9 | 2 | 4 | 0 | 5 | 17 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Riachão is at