Average annual temperature is 26.3 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 20.3 °C
Number of sunny days: 53 days
Number of rainy days: 312 days
Look at detailed online map of Hacienda San Isidoro
* Weather data for Hacienda San Isidoro 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) | 26.3 | 26.0 | 26.8 | 27.6 | 28.4 | 29.3 | 29.7 | 30.6 | 30.8 | 31.4 | 29.0 | 28.4 |
| Average daytime temperature (°C) | 25.6 | 25.3 | 25.6 | 26.1 | 27.8 | 28.6 | 29.0 | 29.1 | 29.7 | 29.0 | 28.2 | 27.2 |
| Average temperature (°C) | 24.4 | 24.1 | 24.5 | 25.0 | 26.7 | 27.5 | 27.5 | 27.7 | 28.0 | 27.4 | 26.8 | 25.4 |
| Average night temperature (°C) | 23.1 | 22.6 | 23.1 | 23.6 | 25.2 | 26.0 | 25.8 | 25.9 | 26.2 | 25.9 | 25.3 | 23.8 |
| Absolute minimum temperature (°C) | 21.0 | 21.7 | 21.3 | 20.3 | 23.3 | 23.7 | 23.2 | 24.3 | 24.4 | 24.2 | 23.9 | 21.9 |
| 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 | 10.9 | 11.2 | 11.1 | 11.6 | 10.5 | 10.1 | 11.0 | 9.4 | 9.3 | 10.1 |
| Precipitation (mm) | 61 | 53 | 22 | 72 | 122 | 114 | 211 | 156 | 83 | 224 | 102 | 52 |
| Sunny days | 6 | 4 | 8 | 6 | 5 | 1 | 4 | 1 | 3 | 3 | 3 | 9 |
| Rainy days | 25 | 24 | 23 | 24 | 26 | 29 | 27 | 30 | 27 | 28 | 27 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hacienda San Isidoro is at