Average annual temperature is 26.8 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 91 days
Number of rainy days: 274 days
Look at detailed online map of Porto Velho
* Weather data for Porto Velho 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) | 31.7 | 32.0 | 31.1 | 31.8 | 32.3 | 32.7 | 34.6 | 36.2 | 37.2 | 37.1 | 36.9 | 34.6 |
| Average daytime temperature (°C) | 28.9 | 29.4 | 28.9 | 29.6 | 30.0 | 30.2 | 32.9 | 33.7 | 34.7 | 35.4 | 34.0 | 32.3 |
| Average temperature (°C) | 25.1 | 25.5 | 25.2 | 25.7 | 26.2 | 25.5 | 26.8 | 27.9 | 28.6 | 29.2 | 28.4 | 27.4 |
| Average night temperature (°C) | 22.7 | 23.0 | 23.1 | 23.2 | 23.5 | 21.9 | 21.7 | 23.7 | 24.2 | 25.0 | 24.8 | 24.4 |
| Absolute minimum temperature (°C) | 21.7 | 22.2 | 22.2 | 22.3 | 22.7 | 15.6 | 20.0 | 21.4 | 22.9 | 23.8 | 23.4 | 23.4 |
| 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) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 7.4 | 8.1 | 7.1 | 8.2 | 9.4 | 9.7 | 10.8 | 10.2 | 10.2 | 10.6 | 9.6 | 9.9 |
| Precipitation (mm) | 319 | 268 | 403 | 183 | 170 | 37 | 6 | 52 | 68 | 59 | 95 | 175 |
| Sunny days | 0 | 0 | 0 | 0 | 3 | 15 | 27 | 16 | 13 | 9 | 6 | 2 |
| Rainy days | 31 | 28 | 31 | 30 | 28 | 15 | 4 | 15 | 17 | 22 | 24 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Porto Velho is at