Average annual temperature is 23.7 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 11.3 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Rio Seco
* Weather data for Rio Seco 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) | 33.8 | 34.7 | 35.8 | 31.7 | 29.4 | 29.5 | 33.0 | 36.2 | 40.3 | 36.9 | 40.3 | 36.9 |
| Average daytime temperature (°C) | 29.2 | 31.0 | 31.1 | 27.5 | 25.6 | 25.3 | 25.0 | 26.4 | 29.7 | 28.2 | 30.3 | 31.0 |
| Average temperature (°C) | 25.2 | 26.5 | 26.4 | 23.6 | 21.7 | 20.5 | 20.2 | 21.4 | 23.5 | 24.0 | 25.7 | 26.2 |
| Average night temperature (°C) | 22.2 | 23.2 | 22.6 | 20.3 | 18.6 | 16.8 | 16.4 | 17.6 | 19.1 | 20.8 | 21.6 | 22.2 |
| Absolute minimum temperature (°C) | 19.9 | 21.3 | 21.0 | 16.9 | 15.2 | 14.0 | 11.3 | 14.1 | 16.0 | 18.1 | 16.3 | 18.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.4 | 12.9 | 12.2 | 11.6 | 11.0 | 10.8 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.2 | 10.9 | 10.6 | 9.3 | 9.0 | 9.2 | 8.3 | 8.0 | 9.9 | 8.1 | 10.3 | 10.9 |
| Precipitation (mm) | 182 | 119 | 41 | 93 | 57 | 13 | 46 | 93 | 21 | 91 | 61 | 85 |
| Sunny days | 4 | 8 | 8 | 6 | 12 | 21 | 18 | 16 | 22 | 8 | 15 | 7 |
| Rainy days | 27 | 20 | 23 | 24 | 19 | 9 | 13 | 15 | 8 | 23 | 15 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rio Seco is at