Average annual temperature is 27.3 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 21.6 °C
Number of sunny days: 155 days
Number of rainy days: 210 days
Look at detailed online map of Santa Helena
* Weather data for Santa Helena 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) | 36.1 | 35.4 | 35.1 | 32.9 | 34.3 | 32.9 | 34.1 | 36.3 | 35.9 | 36.3 | 37.5 | 36.0 |
| Average daytime temperature (°C) | 33.9 | 33.6 | 31.6 | 31.2 | 32.3 | 30.9 | 32.2 | 33.6 | 33.9 | 35.3 | 34.8 | 33.3 |
| Average temperature (°C) | 27.8 | 27.9 | 26.5 | 26.3 | 27.2 | 26.2 | 26.7 | 27.2 | 27.5 | 28.3 | 28.4 | 27.8 |
| Average night temperature (°C) | 23.6 | 24.1 | 23.3 | 23.4 | 23.8 | 23.0 | 22.5 | 22.6 | 22.6 | 23.3 | 23.6 | 23.7 |
| Absolute minimum temperature (°C) | 22.7 | 22.6 | 21.6 | 22.5 | 22.9 | 22.1 | 21.6 | 21.6 | 21.8 | 22.5 | 22.4 | 22.6 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.8 | 10.6 | 9.2 | 9.6 | 10.3 | 10.2 | 10.7 | 10.7 | 10.7 | 11.2 | 11.3 | 10.7 |
| Precipitation (mm) | 44 | 80 | 274 | 154 | 34 | 57 | 10 | 9 | 2 | 1 | 86 | 43 |
| Sunny days | 8 | 7 | 4 | 3 | 7 | 9 | 19 | 22 | 20 | 28 | 17 | 11 |
| Rainy days | 23 | 21 | 27 | 27 | 24 | 21 | 12 | 9 | 10 | 3 | 13 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santa Helena is at