Average annual temperature is 27.3 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 159 days
Number of rainy days: 206 days
Look at detailed online map of São Marcos
* Weather data for São Marcos 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) | 33.7 | 34.0 | 34.8 | 34.4 | 32.9 | 32.4 | 34.0 | 37.9 | 41.4 | 41.7 | 41.6 | 40.7 |
| Average daytime temperature (°C) | 31.4 | 30.9 | 31.7 | 31.1 | 30.1 | 28.0 | 31.2 | 34.7 | 37.0 | 38.5 | 37.0 | 36.3 |
| Average temperature (°C) | 26.7 | 26.4 | 26.8 | 25.9 | 24.4 | 21.0 | 23.9 | 27.7 | 30.3 | 32.2 | 31.2 | 30.6 |
| Average night temperature (°C) | 23.3 | 23.3 | 23.2 | 22.0 | 20.2 | 16.2 | 18.2 | 22.2 | 25.1 | 27.2 | 26.5 | 26.0 |
| Absolute minimum temperature (°C) | 20.7 | 20.7 | 22.1 | 16.5 | 15.9 | 9.6 | 11.7 | 19.1 | 17.4 | 21.9 | 18.2 | 23.2 |
| 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 | 11.0 | 11.1 | 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) | 9.9 | 8.7 | 9.4 | 9.3 | 8.7 | 9.3 | 10.1 | 9.8 | 10.2 | 10.2 | 11.0 | 10.7 |
| Precipitation (mm) | 194 | 243 | 161 | 123 | 40 | 22 | 3 | 5 | 18 | 100 | 115 | 74 |
| Sunny days | 1 | 1 | 4 | 7 | 21 | 25 | 28 | 26 | 15 | 10 | 11 | 10 |
| Rainy days | 30 | 27 | 27 | 23 | 10 | 5 | 3 | 5 | 15 | 21 | 19 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in São Marcos is at