Average annual temperature is 26.8 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 115 days
Number of rainy days: 250 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) | 36.2 | 37.2 | 38.5 | 38.6 | 38.6 | 35.1 | 35.8 | 35.3 | 36.1 | 33.1 | 34.7 | 35.7 |
| Average daytime temperature (°C) | 33.7 | 34.6 | 35.4 | 36.1 | 35.2 | 32.4 | 33.7 | 33.1 | 33.3 | 31.3 | 31.5 | 33.2 |
| Average temperature (°C) | 26.2 | 26.7 | 27.4 | 28.1 | 28.3 | 26.5 | 27.1 | 26.9 | 26.6 | 25.5 | 25.6 | 26.3 |
| Average night temperature (°C) | 20.4 | 20.8 | 21.6 | 22.2 | 23.1 | 22.6 | 22.8 | 22.8 | 22.6 | 22.1 | 21.4 | 21.0 |
| Absolute minimum temperature (°C) | 16.7 | 18.7 | 19.8 | 20.8 | 22.1 | 21.6 | 21.9 | 21.6 | 21.7 | 20.7 | 18.6 | 16.6 |
| 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 | 12.9 | 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 | 11.1 | 11.3 | 11.0 | 10.3 | 10.8 | 10.1 | 10.2 | 9.3 | 9.7 | 10.3 |
| Precipitation (mm) | 7 | 1 | 40 | 78 | 132 | 261 | 210 | 201 | 264 | 280 | 138 | 4 |
| Sunny days | 20 | 23 | 14 | 13 | 8 | 1 | 2 | 2 | 0 | 2 | 9 | 21 |
| Rainy days | 11 | 5 | 17 | 17 | 23 | 29 | 29 | 29 | 30 | 29 | 21 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Sebastián Arriba is at