Average annual temperature is 26.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 20.2 °C
Number of sunny days: 85 days
Number of rainy days: 280 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) | 35.1 | 35.4 | 34.8 | 32.4 | 33.7 | 32.4 | 32.3 | 33.7 | 34.0 | 35.9 | 35.6 | 35.6 |
| Average daytime temperature (°C) | 33.3 | 33.6 | 31.2 | 30.9 | 31.8 | 29.9 | 29.7 | 31.0 | 32.1 | 33.8 | 33.7 | 33.0 |
| Average temperature (°C) | 27.1 | 27.5 | 26.0 | 26.0 | 26.6 | 25.3 | 24.9 | 25.4 | 26.0 | 27.1 | 27.5 | 27.2 |
| Average night temperature (°C) | 22.8 | 23.4 | 22.7 | 22.8 | 22.9 | 22.2 | 21.3 | 21.3 | 21.7 | 22.4 | 23.0 | 23.0 |
| Absolute minimum temperature (°C) | 22.0 | 21.6 | 21.5 | 22.0 | 21.7 | 21.3 | 20.2 | 20.3 | 20.4 | 21.1 | 21.3 | 22.1 |
| 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) | 10.8 | 10.2 | 9.1 | 10.1 | 10.4 | 9.5 | 10.3 | 9.9 | 10.3 | 10.8 | 11.0 | 10.1 |
| Precipitation (mm) | 43 | 54 | 208 | 85 | 28 | 59 | 33 | 18 | 10 | 8 | 24 | 46 |
| Sunny days | 4 | 5 | 1 | 2 | 8 | 6 | 13 | 14 | 9 | 9 | 7 | 7 |
| Rainy days | 27 | 23 | 30 | 28 | 23 | 24 | 18 | 17 | 21 | 22 | 23 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guanabara is at