Average annual temperature is 25.1 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Barreiro
* Weather data for Barreiro 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 | 32.9 | 33.1 | 33.4 | 30.9 | 29.3 | 32.6 | 34.6 | 36.2 | 37.3 | 38.2 | 37.0 |
| Average daytime temperature (°C) | 29.8 | 31.4 | 31.1 | 30.1 | 28.1 | 27.5 | 27.8 | 29.7 | 31.8 | 34.0 | 34.5 | 34.5 |
| Average temperature (°C) | 24.7 | 25.7 | 25.3 | 25.0 | 23.4 | 22.5 | 22.3 | 23.8 | 25.1 | 26.9 | 27.8 | 28.0 |
| Average night temperature (°C) | 20.9 | 20.8 | 20.8 | 21.0 | 19.9 | 18.4 | 17.8 | 19.2 | 19.9 | 21.5 | 22.3 | 22.5 |
| Absolute minimum temperature (°C) | 19.5 | 18.9 | 18.7 | 18.9 | 16.6 | 15.5 | 15.7 | 16.3 | 17.9 | 19.0 | 19.8 | 20.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum 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 |
| Daylight mean duration (h) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.3 | 11.4 | 11.7 | 12.0 | 12.4 | 12.7 | 12.9 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.0 | 11.1 | 10.6 | 9.9 | 8.7 | 8.6 | 8.9 | 9.6 | 9.9 | 10.5 | 10.9 | 11.0 |
| Precipitation (mm) | 99 | 44 | 55 | 110 | 90 | 28 | 42 | 23 | 20 | 18 | 33 | 63 |
| Sunny days | 0 | 7 | 2 | 5 | 6 | 8 | 12 | 7 | 7 | 13 | 13 | 10 |
| Rainy days | 31 | 21 | 29 | 25 | 25 | 22 | 19 | 24 | 23 | 18 | 17 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barreiro is at