Average annual temperature is 27.7 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 20.7 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of Guanabara
* Weather data for Guanabara 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) | 37.1 | 37.0 | 35.6 | 32.1 | 33.4 | 33.9 | 35.1 | 36.3 | 37.3 | 38.3 | 37.5 | 37.6 |
| Average daytime temperature (°C) | 33.8 | 34.3 | 31.5 | 30.6 | 32.2 | 31.9 | 33.1 | 34.7 | 35.8 | 36.6 | 36.0 | 35.4 |
| Average temperature (°C) | 27.7 | 27.9 | 26.2 | 25.9 | 27.2 | 27.0 | 27.4 | 28.0 | 28.5 | 28.8 | 28.8 | 28.7 |
| Average night temperature (°C) | 23.0 | 23.4 | 22.6 | 22.5 | 23.2 | 22.7 | 22.5 | 22.7 | 22.9 | 23.0 | 23.3 | 23.8 |
| Absolute minimum temperature (°C) | 21.1 | 21.8 | 21.6 | 21.3 | 21.6 | 21.4 | 21.1 | 21.2 | 20.7 | 21.9 | 21.8 | 22.8 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 10.6 | 10.4 | 9.2 | 9.8 | 10.6 | 10.5 | 10.6 | 10.9 | 11.0 | 11.2 | 11.1 | 10.3 |
| Precipitation (mm) | 74 | 102 | 282 | 142 | 31 | 36 | 20 | 7 | 0 | 0 | 17 | 55 |
| Sunny days | 4 | 0 | 3 | 3 | 7 | 11 | 20 | 22 | 28 | 28 | 17 | 14 |
| Rainy days | 27 | 28 | 28 | 27 | 24 | 19 | 11 | 9 | 2 | 3 | 13 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guanabara is at