Average annual temperature is 24.6 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 45 days
Number of rainy days: 320 days
Look at detailed online map of Rosario Alto Barrio
* Weather data for Rosario Alto 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) | 28.9 | 30.0 | 30.3 | 29.7 | 31.6 | 33.8 | 33.5 | 34.5 | 33.4 | 32.6 | 30.8 | 31.8 |
| Average daytime temperature (°C) | 27.0 | 28.1 | 28.1 | 28.0 | 29.9 | 31.2 | 31.6 | 31.1 | 31.4 | 30.7 | 29.5 | 29.1 |
| Average temperature (°C) | 21.9 | 22.4 | 22.3 | 22.8 | 25.1 | 26.4 | 26.4 | 26.4 | 26.5 | 26.1 | 24.8 | 23.8 |
| Average night temperature (°C) | 18.3 | 18.4 | 17.8 | 18.6 | 21.3 | 22.7 | 22.7 | 23.4 | 23.1 | 23.2 | 21.6 | 20.4 |
| Absolute minimum temperature (°C) | 15.3 | 16.6 | 15.4 | 16.7 | 18.6 | 21.0 | 21.3 | 21.3 | 21.8 | 21.8 | 19.2 | 18.5 |
| 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) | 10.1 | 10.3 | 10.8 | 10.9 | 11.3 | 11.9 | 10.8 | 9.6 | 10.8 | 9.9 | 9.3 | 10.0 |
| Precipitation (mm) | 46 | 36 | 73 | 130 | 62 | 75 | 81 | 101 | 62 | 108 | 112 | 37 |
| Sunny days | 8 | 7 | 7 | 0 | 3 | 3 | 3 | 3 | 0 | 3 | 3 | 5 |
| Rainy days | 23 | 21 | 24 | 30 | 28 | 27 | 28 | 28 | 30 | 28 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario Alto Barrio is at