Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 176 days
Number of rainy days: 189 days
Look at detailed online map of Bom Principío
* Weather data for Bom Principío 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) | 31.8 | 31.6 | 32.3 | 30.8 | 31.4 | 32.1 | 35.0 | 37.0 | 39.1 | 39.9 | 38.0 | 37.0 |
| Average daytime temperature (°C) | 29.4 | 29.3 | 28.9 | 29.4 | 30.0 | 30.7 | 32.2 | 34.4 | 36.6 | 37.8 | 35.1 | 34.2 |
| Average temperature (°C) | 25.0 | 25.1 | 24.9 | 25.1 | 25.9 | 26.1 | 27.0 | 28.8 | 30.6 | 31.8 | 29.7 | 29.1 |
| Average night temperature (°C) | 21.5 | 21.7 | 21.8 | 21.8 | 22.4 | 22.1 | 22.1 | 23.2 | 24.6 | 26.0 | 24.7 | 24.6 |
| Absolute minimum temperature (°C) | 20.3 | 20.6 | 20.7 | 20.3 | 21.1 | 20.6 | 20.5 | 22.0 | 23.1 | 23.7 | 22.4 | 22.4 |
| 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) | 9.8 | 9.3 | 9.0 | 9.3 | 10.2 | 10.5 | 10.9 | 11.2 | 11.2 | 11.2 | 10.9 | 10.3 |
| Precipitation (mm) | 182 | 179 | 289 | 151 | 49 | 2 | 0 | 0 | 0 | 0 | 33 | 47 |
| Sunny days | 0 | 1 | 0 | 3 | 11 | 23 | 29 | 30 | 27 | 28 | 16 | 8 |
| Rainy days | 31 | 27 | 31 | 27 | 20 | 7 | 2 | 1 | 3 | 3 | 14 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bom Principío is at