Average annual temperature is 26.7 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of San Sebastián Arriba
* Weather data for San Sebastián 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) | 36.6 | 38.1 | 37.4 | 38.0 | 38.1 | 33.4 | 35.8 | 34.9 | 34.5 | 32.4 | 33.6 | 35.2 |
| Average daytime temperature (°C) | 33.0 | 35.2 | 33.6 | 33.9 | 33.5 | 30.9 | 32.6 | 31.0 | 31.7 | 29.5 | 31.1 | 32.8 |
| Average temperature (°C) | 26.1 | 27.5 | 26.9 | 27.7 | 27.9 | 26.5 | 27.1 | 26.5 | 26.7 | 25.3 | 25.8 | 26.6 |
| Average night temperature (°C) | 21.8 | 22.5 | 22.5 | 23.5 | 23.9 | 23.4 | 23.6 | 23.4 | 23.3 | 22.8 | 22.4 | 22.8 |
| Absolute minimum temperature (°C) | 19.0 | 21.0 | 20.7 | 22.0 | 22.2 | 22.4 | 22.1 | 22.3 | 22.3 | 21.4 | 19.4 | 19.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 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 | 12.4 | 12.8 | 12.9 | 12.8 | 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) | 10.5 | 10.9 | 11.3 | 11.5 | 11.2 | 9.8 | 10.7 | 10.1 | 10.9 | 8.2 | 9.8 | 10.4 |
| Precipitation (mm) | 14 | 1 | 66 | 74 | 177 | 363 | 319 | 353 | 254 | 374 | 232 | 11 |
| Sunny days | 16 | 25 | 6 | 8 | 3 | 0 | 1 | 1 | 1 | 0 | 5 | 17 |
| Rainy days | 15 | 3 | 25 | 22 | 28 | 30 | 30 | 30 | 29 | 31 | 25 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Sebastián Arriba is at