Average annual temperature is 21.3 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 6.2 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of Rio Bom
* Weather data for Rio Bom 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) | 31.1 | 29.5 | 31.2 | 29.9 | 27.6 | 28.3 | 25.8 | 31.3 | 36.3 | 33.3 | 36.2 | 34.0 |
| Average daytime temperature (°C) | 27.1 | 26.2 | 27.9 | 25.3 | 24.5 | 22.1 | 23.0 | 25.3 | 29.2 | 28.2 | 28.1 | 30.5 |
| Average temperature (°C) | 22.5 | 21.8 | 22.9 | 20.4 | 19.3 | 17.3 | 17.7 | 19.6 | 23.0 | 22.9 | 23.1 | 24.9 |
| Average night temperature (°C) | 18.9 | 19.0 | 19.5 | 16.7 | 15.3 | 13.8 | 14.1 | 15.5 | 18.7 | 19.3 | 19.4 | 20.5 |
| Absolute minimum temperature (°C) | 15.2 | 16.8 | 17.7 | 11.1 | 9.3 | 6.2 | 7.1 | 10.1 | 9.4 | 15.4 | 12.7 | 17.0 |
| 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 | 11.5 | 11.0 | 10.7 | 10.8 | 11.3 | 12.0 | 12.6 | 13.3 | 13.6 |
| 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) | 9.8 | 8.7 | 9.7 | 9.3 | 9.2 | 8.2 | 8.9 | 9.5 | 10.0 | 8.2 | 8.9 | 11.4 |
| Precipitation (mm) | 227 | 298 | 122 | 145 | 18 | 107 | 63 | 68 | 94 | 331 | 247 | 62 |
| Sunny days | 3 | 1 | 3 | 12 | 23 | 25 | 21 | 18 | 12 | 6 | 5 | 10 |
| Rainy days | 28 | 27 | 28 | 18 | 8 | 5 | 10 | 13 | 18 | 25 | 25 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rio Bom is at