Average annual temperature is 27.4 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 21.9 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Viana
* Weather data for Viana 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) | 32.5 | 32.2 | 33.4 | 32.3 | 32.5 | 33.2 | 33.1 | 33.4 | 36.0 | 37.2 | 35.8 | 35.6 |
| Average daytime temperature (°C) | 30.1 | 30.4 | 30.1 | 30.5 | 30.7 | 31.1 | 32.1 | 32.5 | 34.2 | 34.2 | 34.2 | 33.5 |
| Average temperature (°C) | 26.1 | 26.0 | 25.8 | 26.3 | 26.9 | 26.9 | 27.4 | 27.8 | 28.7 | 28.8 | 29.0 | 28.6 |
| Average night temperature (°C) | 23.4 | 23.5 | 23.5 | 23.8 | 24.1 | 23.9 | 23.8 | 24.2 | 24.8 | 25.1 | 25.4 | 25.3 |
| Absolute minimum temperature (°C) | 21.9 | 22.8 | 22.6 | 22.9 | 22.9 | 22.8 | 22.2 | 23.1 | 23.7 | 23.9 | 24.3 | 24.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 12.0 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 9.3 | 8.3 | 6.9 | 8.5 | 9.8 | 10.4 | 11.0 | 11.2 | 11.3 | 11.2 | 11.0 | 10.1 |
| Precipitation (mm) | 265 | 384 | 477 | 286 | 195 | 97 | 30 | 14 | 6 | 13 | 36 | 121 |
| Sunny days | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 6 | 13 | 7 | 3 | 6 |
| Rainy days | 31 | 28 | 30 | 30 | 31 | 29 | 27 | 25 | 17 | 24 | 27 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Viana is at