Average annual temperature is 26.2 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of San Ildefonso Barrio
* Weather data for San Ildefonso Barrio Puerto Rico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 31.1 | 31.6 | 31.3 | 31.9 | 34.2 | 33.9 | 34.7 | 34.0 | 33.9 | 31.0 | 31.4 |
| Average daytime temperature (°C) | 28.3 | 29.2 | 29.4 | 29.3 | 30.1 | 31.2 | 32.4 | 31.7 | 32.1 | 30.9 | 29.8 | 29.7 |
| Average temperature (°C) | 24.3 | 24.7 | 24.8 | 25.5 | 26.7 | 27.9 | 28.1 | 27.8 | 27.4 | 26.6 | 25.8 | 24.9 |
| Average night temperature (°C) | 21.5 | 21.4 | 21.0 | 22.1 | 23.7 | 25.0 | 24.6 | 24.8 | 23.7 | 23.6 | 22.9 | 21.1 |
| Absolute minimum temperature (°C) | 20.0 | 19.5 | 19.1 | 20.8 | 22.4 | 22.8 | 23.3 | 22.2 | 22.5 | 22.5 | 20.8 | 17.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.3 | 10.7 | 11.0 | 11.3 | 11.3 | 11.6 | 10.9 | 9.9 | 11.0 | 9.6 | 9.4 | 10.1 |
| Precipitation (mm) | 29 | 17 | 20 | 31 | 58 | 76 | 80 | 149 | 100 | 203 | 51 | 26 |
| Sunny days | 12 | 14 | 17 | 5 | 6 | 1 | 10 | 3 | 1 | 0 | 5 | 12 |
| Rainy days | 19 | 14 | 14 | 25 | 25 | 29 | 21 | 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 Ildefonso Barrio is at