Average annual temperature is 22.4 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 7.0 °C
Number of sunny days: 148 days
Number of rainy days: 217 days
Look at detailed online map of Iroí
* Weather data for Iroí 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) | 31.5 | 30.5 | 31.8 | 31.2 | 28.5 | 28.9 | 28.9 | 32.9 | 37.2 | 35.0 | 36.9 | 34.2 |
| Average daytime temperature (°C) | 28.1 | 27.4 | 29.1 | 26.4 | 25.2 | 22.9 | 24.9 | 27.5 | 30.3 | 29.7 | 29.5 | 31.1 |
| Average temperature (°C) | 23.5 | 23.0 | 24.0 | 21.5 | 20.0 | 17.7 | 19.0 | 21.3 | 24.2 | 24.5 | 24.5 | 25.8 |
| Average night temperature (°C) | 19.8 | 19.9 | 20.4 | 17.6 | 15.8 | 13.6 | 14.7 | 16.5 | 19.5 | 20.4 | 20.5 | 21.4 |
| Absolute minimum temperature (°C) | 16.2 | 18.3 | 18.9 | 12.3 | 11.1 | 7.0 | 7.5 | 10.6 | 10.1 | 16.8 | 12.2 | 18.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.6 | 11.0 | 10.7 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.0 | 8.2 | 9.4 | 9.5 | 9.0 | 8.4 | 9.1 | 9.7 | 10.0 | 9.4 | 8.8 | 11.1 |
| Precipitation (mm) | 291 | 326 | 135 | 181 | 32 | 107 | 38 | 56 | 77 | 250 | 212 | 86 |
| Sunny days | 3 | 0 | 5 | 13 | 23 | 24 | 22 | 19 | 18 | 6 | 7 | 8 |
| Rainy days | 28 | 28 | 26 | 17 | 8 | 6 | 9 | 12 | 12 | 25 | 23 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iroí is at