Average annual temperature is 26.9 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 72 days
Number of rainy days: 293 days
Look at detailed online map of San Juan Chateau
* Weather data for San Juan Chateau 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) | 29.8 | 29.4 | 32.0 | 31.1 | 33.9 | 35.6 | 31.4 | 32.6 | 32.3 | 32.1 | 30.7 | 29.6 |
| Average daytime temperature (°C) | 27.9 | 28.0 | 29.3 | 29.5 | 32.2 | 33.2 | 29.8 | 30.3 | 30.6 | 30.1 | 29.1 | 27.4 |
| Average temperature (°C) | 24.3 | 24.7 | 25.2 | 25.4 | 27.5 | 29.1 | 28.3 | 28.4 | 28.6 | 27.9 | 27.4 | 26.0 |
| Average night temperature (°C) | 21.4 | 22.0 | 21.7 | 21.8 | 23.6 | 25.7 | 26.6 | 26.6 | 26.7 | 26.1 | 25.7 | 24.3 |
| Absolute minimum temperature (°C) | 19.6 | 18.9 | 18.0 | 18.9 | 22.4 | 24.4 | 24.3 | 24.6 | 25.6 | 24.7 | 24.1 | 22.0 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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) | 10.1 | 10.8 | 11.0 | 11.1 | 11.5 | 11.8 | 11.0 | 10.4 | 11.0 | 9.6 | 9.1 | 10.0 |
| Precipitation (mm) | 79 | 48 | 30 | 104 | 87 | 90 | 101 | 92 | 78 | 125 | 72 | 70 |
| Sunny days | 7 | 7 | 11 | 3 | 4 | 6 | 10 | 5 | 1 | 5 | 6 | 7 |
| Rainy days | 24 | 21 | 20 | 27 | 27 | 24 | 21 | 26 | 29 | 26 | 24 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Chateau is at