Average annual temperature is 24.7 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of San Cayetano Istepeque
* Weather data for San Cayetano Istepeque 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) | 33.6 | 34.6 | 35.7 | 35.8 | 37.4 | 33.0 | 34.7 | 34.0 | 33.5 | 31.0 | 32.4 | 33.9 |
| Average daytime temperature (°C) | 31.4 | 32.9 | 32.3 | 32.9 | 32.5 | 29.7 | 31.6 | 30.7 | 30.9 | 28.9 | 29.6 | 31.9 |
| Average temperature (°C) | 23.9 | 24.9 | 24.6 | 25.5 | 25.7 | 24.4 | 25.4 | 24.9 | 24.8 | 23.6 | 23.9 | 24.8 |
| Average night temperature (°C) | 18.6 | 18.8 | 19.5 | 20.5 | 21.1 | 21.0 | 21.2 | 21.2 | 20.8 | 20.6 | 20.1 | 19.7 |
| Absolute minimum temperature (°C) | 15.1 | 17.2 | 18.1 | 18.4 | 19.8 | 19.9 | 20.0 | 19.8 | 19.9 | 19.4 | 17.5 | 15.2 |
| 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 | 11.2 | 11.6 | 11.2 | 10.0 | 10.8 | 10.4 | 10.8 | 8.9 | 9.9 | 10.4 |
| Precipitation (mm) | 5 | 1 | 58 | 52 | 135 | 230 | 157 | 230 | 137 | 231 | 160 | 17 |
| Sunny days | 18 | 24 | 13 | 12 | 8 | 2 | 1 | 3 | 1 | 0 | 5 | 12 |
| Rainy days | 13 | 4 | 18 | 18 | 23 | 28 | 30 | 28 | 29 | 31 | 25 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Cayetano Istepeque is at