Average annual temperature is 20.7 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: 12.8 °C
Number of sunny days: 35 days
Number of rainy days: 330 days
Look at detailed online map of Hacienda San Carlos
* Weather data for Hacienda San Carlos 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) | 24.2 | 24.5 | 25.9 | 25.8 | 26.5 | 29.0 | 29.3 | 29.5 | 28.7 | 28.0 | 25.7 | 25.9 |
| Average daytime temperature (°C) | 22.2 | 22.9 | 23.9 | 23.8 | 24.7 | 25.7 | 26.9 | 26.5 | 26.5 | 25.7 | 24.6 | 24.1 |
| Average temperature (°C) | 18.2 | 18.3 | 18.9 | 19.5 | 21.0 | 22.0 | 22.7 | 22.6 | 22.4 | 21.9 | 20.9 | 19.7 |
| Average night temperature (°C) | 15.3 | 15.0 | 15.1 | 16.1 | 18.1 | 19.2 | 19.4 | 19.9 | 19.4 | 19.4 | 18.2 | 16.8 |
| Absolute minimum temperature (°C) | 12.8 | 12.8 | 12.8 | 14.5 | 16.7 | 17.8 | 18.4 | 18.3 | 17.7 | 18.3 | 15.4 | 14.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 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) | 10.2 | 10.5 | 10.6 | 10.9 | 11.1 | 11.5 | 10.8 | 9.9 | 10.7 | 9.4 | 9.1 | 9.8 |
| Precipitation (mm) | 49 | 30 | 31 | 136 | 87 | 108 | 96 | 139 | 94 | 138 | 73 | 36 |
| Sunny days | 6 | 5 | 5 | 1 | 2 | 1 | 3 | 3 | 1 | 0 | 4 | 4 |
| Rainy days | 25 | 23 | 26 | 29 | 29 | 29 | 28 | 28 | 29 | 31 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Hacienda San Carlos is at