Average annual temperature is 20.4 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 3.0 °C
Number of sunny days: 155 days
Number of rainy days: 210 days
Look at detailed online map of San Juan Tecla
* Weather data for San Juan Tecla 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) | 31.2 | 33.7 | 36.6 | 35.8 | 34.9 | 36.9 | 31.6 | 35.2 | 34.7 | 34.6 | 35.0 | 28.6 |
| Average daytime temperature (°C) | 24.2 | 24.5 | 28.2 | 28.1 | 29.6 | 31.7 | 28.9 | 30.3 | 32.4 | 26.4 | 23.4 | 20.6 |
| Average temperature (°C) | 16.2 | 16.0 | 19.7 | 20.8 | 22.6 | 25.3 | 23.4 | 23.8 | 25.0 | 20.6 | 16.4 | 15.3 |
| Average night temperature (°C) | 10.8 | 10.1 | 13.9 | 16.4 | 17.8 | 19.8 | 19.2 | 18.8 | 18.9 | 16.8 | 12.3 | 12.0 |
| Absolute minimum temperature (°C) | 3.1 | 3.0 | 5.9 | 10.9 | 12.1 | 17.7 | 16.2 | 16.8 | 17.2 | 9.3 | 6.1 | 7.1 |
| 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 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.6 | 13.2 | 13.4 | 13.3 | 12.9 | 12.3 | 11.7 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 9.4 | 9.3 | 8.7 | 10.3 | 11.5 | 11.0 | 10.9 | 11.1 | 7.4 | 7.1 | 5.5 |
| Precipitation (mm) | 7 | 13 | 19 | 82 | 85 | 40 | 105 | 73 | 14 | 142 | 35 | 62 |
| Sunny days | 20 | 20 | 22 | 11 | 8 | 18 | 1 | 5 | 12 | 10 | 16 | 12 |
| Rainy days | 11 | 8 | 9 | 19 | 23 | 12 | 30 | 26 | 18 | 21 | 14 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Tecla is at