Average annual temperature is 13.9 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 127 days
Number of rainy days: 238 days
Look at detailed online map of Sianca
* Weather data for Sianca Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.9 | 24.1 | 24.9 | 25.1 | 25.4 | 28.8 | 22.6 | 21.8 | 23.9 | 22.3 | 23.0 | 17.0 |
| Average daytime temperature (°C) | 17.1 | 19.5 | 21.4 | 22.4 | 21.3 | 25.2 | 20.4 | 19.5 | 21.1 | 19.4 | 18.7 | 14.9 |
| Average temperature (°C) | 10.9 | 12.6 | 14.2 | 15.3 | 15.2 | 17.8 | 14.6 | 14.2 | 15.2 | 13.8 | 13.1 | 10.1 |
| Average night temperature (°C) | 6.0 | 6.8 | 8.5 | 9.1 | 10.2 | 11.5 | 10.3 | 10.4 | 10.5 | 10.0 | 8.8 | 6.5 |
| Absolute minimum temperature (°C) | 3.4 | 4.1 | 4.9 | 6.0 | 8.1 | 9.4 | 8.3 | 8.2 | 8.8 | 6.4 | 4.9 | 2.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.6 | 11.2 | 11.5 | 11.7 | 12.2 | 11.5 | 10.7 | 11.1 | 9.3 | 9.9 | 8.2 |
| Precipitation (mm) | 7 | 8 | 56 | 22 | 136 | 39 | 193 | 168 | 87 | 102 | 77 | 102 |
| Sunny days | 22 | 19 | 14 | 10 | 2 | 13 | 0 | 1 | 14 | 6 | 15 | 11 |
| Rainy days | 9 | 9 | 17 | 20 | 29 | 17 | 31 | 30 | 16 | 25 | 15 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sianca is at