Average annual temperature is 26.2 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 51 days
Number of rainy days: 314 days
Look at detailed online map of Segundo Castillo
* Weather data for Segundo Castillo 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) | 30.4 | 31.6 | 30.6 | 30.7 | 32.6 | 34.2 | 34.2 | 34.9 | 33.6 | 33.6 | 31.8 | 32.8 |
| Average daytime temperature (°C) | 28.4 | 29.3 | 29.2 | 29.0 | 31.1 | 32.3 | 32.6 | 32.3 | 32.4 | 31.9 | 30.5 | 30.2 |
| Average temperature (°C) | 23.6 | 24.1 | 24.0 | 24.4 | 26.7 | 28.0 | 27.9 | 28.0 | 28.1 | 27.8 | 26.3 | 25.5 |
| Average night temperature (°C) | 20.0 | 20.1 | 19.6 | 20.3 | 23.1 | 24.4 | 24.1 | 24.9 | 24.6 | 24.8 | 23.1 | 21.9 |
| Absolute minimum temperature (°C) | 16.9 | 17.3 | 17.0 | 18.2 | 20.3 | 22.4 | 22.7 | 23.3 | 23.2 | 23.2 | 21.0 | 20.1 |
| 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 | 10.3 | 10.8 | 10.9 | 11.4 | 11.9 | 10.8 | 9.7 | 10.9 | 10.0 | 9.3 | 10.0 |
| Precipitation (mm) | 47 | 37 | 52 | 130 | 83 | 92 | 121 | 123 | 75 | 118 | 134 | 30 |
| Sunny days | 9 | 10 | 9 | 0 | 3 | 6 | 1 | 3 | 0 | 3 | 3 | 4 |
| Rainy days | 22 | 18 | 22 | 30 | 28 | 24 | 30 | 28 | 30 | 28 | 27 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Segundo Castillo is at