Average annual temperature is 23.2 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: 16.0 °C
Number of sunny days: 34 days
Number of rainy days: 331 days
Look at detailed online map of Bayamon
* Weather data for Bayamon 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) | 25.6 | 26.3 | 27.4 | 28.2 | 29.1 | 30.7 | 29.7 | 30.6 | 30.8 | 30.7 | 29.3 | 28.0 |
| Average daytime temperature (°C) | 24.1 | 24.4 | 25.5 | 26.0 | 27.8 | 28.8 | 28.5 | 28.9 | 29.5 | 28.7 | 27.1 | 25.9 |
| Average temperature (°C) | 20.6 | 20.4 | 21.1 | 22.0 | 23.8 | 24.9 | 24.8 | 25.1 | 25.2 | 24.6 | 23.6 | 22.1 |
| Average night temperature (°C) | 18.1 | 17.9 | 18.0 | 19.0 | 20.9 | 22.3 | 22.2 | 22.6 | 22.5 | 22.1 | 21.3 | 19.8 |
| Absolute minimum temperature (°C) | 16.2 | 16.3 | 16.0 | 17.3 | 19.6 | 21.1 | 20.6 | 21.4 | 21.1 | 21.0 | 19.3 | 17.2 |
| 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 | 10.6 | 10.6 | 10.9 | 11.0 | 11.3 | 10.4 | 9.7 | 10.7 | 9.1 | 9.0 | 9.7 |
| Precipitation (mm) | 66 | 68 | 36 | 82 | 58 | 68 | 121 | 128 | 97 | 151 | 54 | 50 |
| Sunny days | 5 | 2 | 3 | 3 | 5 | 1 | 2 | 1 | 1 | 3 | 4 | 4 |
| Rainy days | 26 | 26 | 28 | 27 | 26 | 29 | 29 | 30 | 29 | 28 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bayamon is at