Average annual temperature is 23.5 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 12.5 °C
Number of sunny days: 116 days
Number of rainy days: 249 days
Look at detailed online map of San Juan Arriba
* Weather data for San Juan Arriba El Salvador is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.6 | 33.1 | 35.1 | 35.5 | 35.5 | 32.2 | 32.0 | 32.5 | 31.9 | 29.8 | 30.6 | 32.0 |
| Average daytime temperature (°C) | 29.4 | 30.2 | 31.9 | 32.6 | 32.3 | 29.3 | 30.2 | 30.0 | 30.2 | 27.7 | 27.7 | 28.1 |
| Average temperature (°C) | 22.5 | 22.9 | 24.2 | 24.9 | 25.3 | 23.9 | 24.0 | 24.0 | 23.7 | 22.5 | 22.5 | 22.1 |
| Average night temperature (°C) | 17.3 | 17.5 | 18.0 | 18.8 | 20.0 | 19.8 | 19.8 | 19.8 | 19.4 | 19.0 | 18.8 | 17.7 |
| Absolute minimum temperature (°C) | 12.5 | 15.8 | 16.1 | 17.1 | 18.5 | 18.0 | 18.5 | 18.8 | 18.2 | 17.7 | 15.4 | 13.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.4 | 11.7 | 12.1 | 12.5 | 12.8 | 13.0 | 12.9 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.4 | 10.8 | 11.2 | 11.3 | 11.0 | 10.2 | 10.6 | 9.9 | 10.0 | 9.3 | 9.2 | 10.2 |
| Precipitation (mm) | 4 | 0 | 27 | 57 | 120 | 214 | 107 | 160 | 208 | 222 | 81 | 5 |
| Sunny days | 23 | 26 | 11 | 11 | 6 | 0 | 1 | 1 | 1 | 2 | 9 | 25 |
| Rainy days | 8 | 2 | 20 | 19 | 25 | 30 | 30 | 30 | 29 | 29 | 21 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Arriba is at