Average annual temperature is 25.0 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 10.5 °C
Number of sunny days: 211 days
Number of rainy days: 154 days
Look at detailed online map of Barra do Rio de Janeiro
* Weather data for Barra do Rio de Janeiro 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 | 33.6 | 33.7 | 33.0 | 31.0 | 29.9 | 31.6 | 35.3 | 40.3 | 37.7 | 39.7 | 37.1 |
| Average daytime temperature (°C) | 28.7 | 31.7 | 32.0 | 30.0 | 28.5 | 27.4 | 28.4 | 31.0 | 34.2 | 34.9 | 34.8 | 33.6 |
| Average temperature (°C) | 24.1 | 26.2 | 26.1 | 24.5 | 22.1 | 20.7 | 21.6 | 23.6 | 27.1 | 28.4 | 28.3 | 28.0 |
| Average night temperature (°C) | 20.6 | 20.7 | 20.5 | 19.8 | 16.1 | 14.7 | 15.1 | 16.8 | 20.3 | 22.9 | 22.1 | 22.7 |
| Absolute minimum temperature (°C) | 18.7 | 18.6 | 18.0 | 16.8 | 13.6 | 11.9 | 10.5 | 12.5 | 17.2 | 20.5 | 16.5 | 21.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.5 | 12.0 | 12.5 | 13.0 | 13.2 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 8.6 | 11.3 | 10.8 | 9.7 | 10.2 | 9.8 | 10.0 | 9.9 | 11.0 | 10.5 | 11.4 | 11.1 |
| Precipitation (mm) | 224 | 24 | 18 | 75 | 0 | 3 | 1 | 37 | 7 | 115 | 37 | 137 |
| Sunny days | 1 | 14 | 13 | 7 | 29 | 28 | 28 | 24 | 24 | 14 | 17 | 12 |
| Rainy days | 30 | 14 | 18 | 23 | 2 | 2 | 3 | 7 | 6 | 17 | 13 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Barra do Rio de Janeiro is at