Average annual temperature is 28.3 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 19.5 °C
Number of sunny days: 175 days
Number of rainy days: 190 days
Look at detailed online map of Petrópolis
* Weather data for Petrópolis 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) | 37.2 | 37.2 | 35.4 | 33.2 | 34.6 | 35.6 | 35.9 | 37.3 | 37.8 | 38.6 | 39.0 | 38.4 |
| Average daytime temperature (°C) | 35.2 | 35.0 | 32.4 | 31.7 | 33.0 | 32.4 | 33.6 | 35.1 | 35.7 | 37.1 | 36.8 | 36.2 |
| Average temperature (°C) | 28.8 | 28.7 | 26.8 | 26.5 | 27.7 | 27.1 | 27.5 | 28.5 | 28.9 | 29.9 | 29.9 | 29.7 |
| Average night temperature (°C) | 23.7 | 23.9 | 22.9 | 22.8 | 23.5 | 23.1 | 22.2 | 22.7 | 23.1 | 23.9 | 24.4 | 24.3 |
| Absolute minimum temperature (°C) | 22.3 | 20.7 | 21.8 | 20.1 | 21.8 | 21.5 | 19.5 | 21.6 | 21.2 | 22.6 | 22.7 | 22.9 |
| 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) | 11.0 | 10.4 | 9.5 | 9.7 | 10.6 | 10.1 | 10.7 | 10.8 | 11.1 | 11.5 | 11.4 | 10.9 |
| Precipitation (mm) | 48 | 63 | 220 | 174 | 54 | 51 | 16 | 8 | 5 | 0 | 53 | 29 |
| Sunny days | 6 | 8 | 4 | 4 | 8 | 8 | 20 | 28 | 24 | 30 | 18 | 17 |
| Rainy days | 25 | 20 | 27 | 26 | 23 | 22 | 11 | 3 | 6 | 1 | 12 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Petrópolis is at