Average annual temperature is 23.3 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 20 days
Number of rainy days: 345 days
Look at detailed online map of Butantã
* Weather data for Butantã 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) | 30.8 | 32.6 | 30.7 | 33.8 | 28.2 | 26.8 | 28.5 | 30.2 | 31.8 | 32.7 | 33.6 | 33.2 |
| Average daytime temperature (°C) | 29.1 | 29.9 | 28.7 | 29.0 | 26.1 | 24.8 | 24.9 | 26.0 | 27.1 | 29.1 | 30.4 | 30.7 |
| Average temperature (°C) | 24.2 | 24.7 | 24.1 | 24.2 | 22.7 | 21.5 | 21.0 | 21.7 | 22.4 | 23.8 | 24.8 | 25.2 |
| Average night temperature (°C) | 20.8 | 21.0 | 20.9 | 21.0 | 20.5 | 19.2 | 18.5 | 18.8 | 19.4 | 20.0 | 20.9 | 21.3 |
| Absolute minimum temperature (°C) | 19.8 | 19.4 | 19.7 | 18.7 | 18.0 | 17.1 | 16.5 | 15.3 | 17.9 | 17.2 | 18.2 | 19.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 | 11.4 | 11.7 | 12.0 | 12.4 | 12.7 | 12.9 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.7 | 10.8 | 9.8 | 10.0 | 7.1 | 7.4 | 8.4 | 9.0 | 9.4 | 10.2 | 10.2 | 10.9 |
| Precipitation (mm) | 104 | 57 | 93 | 82 | 116 | 74 | 116 | 67 | 81 | 42 | 43 | 150 |
| Sunny days | 0 | 2 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 5 | 7 | 1 |
| Rainy days | 31 | 26 | 31 | 28 | 30 | 30 | 29 | 31 | 30 | 26 | 23 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Butantã is at