Average annual temperature is 26.1 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 35 days
Number of rainy days: 330 days
Look at detailed online map of Arecibo
* Weather data for Arecibo 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) | 30.7 | 29.8 | 31.8 | 30.7 | 32.7 | 34.7 | 33.6 | 34.0 | 33.9 | 34.3 | 34.0 | 32.2 |
| Average daytime temperature (°C) | 27.8 | 27.9 | 28.8 | 29.0 | 30.9 | 32.7 | 31.9 | 32.1 | 32.2 | 31.6 | 30.4 | 29.1 |
| Average temperature (°C) | 23.5 | 23.8 | 24.2 | 24.5 | 26.1 | 28.1 | 28.0 | 28.1 | 27.9 | 27.2 | 26.4 | 25.2 |
| Average night temperature (°C) | 20.3 | 20.5 | 20.2 | 20.9 | 22.3 | 24.5 | 25.0 | 25.1 | 24.6 | 24.1 | 23.6 | 22.2 |
| Absolute minimum temperature (°C) | 18.3 | 18.3 | 17.5 | 19.4 | 20.2 | 22.9 | 23.2 | 23.3 | 22.1 | 21.7 | 21.4 | 19.9 |
| 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 | 11.5 | 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) | 10.0 | 10.6 | 10.9 | 11.1 | 11.2 | 12.0 | 10.8 | 10.1 | 10.6 | 9.9 | 9.3 | 10.0 |
| Precipitation (mm) | 76 | 57 | 42 | 94 | 147 | 85 | 112 | 136 | 96 | 166 | 84 | 55 |
| Sunny days | 4 | 5 | 8 | 0 | 0 | 4 | 2 | 0 | 0 | 1 | 4 | 7 |
| Rainy days | 27 | 23 | 23 | 30 | 31 | 26 | 29 | 31 | 30 | 30 | 26 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arecibo is at