Monthly climate metrics across temperature, precipitation, wind, and UV.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 26 | 26 | 26 | 26 | 27 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 27 |
| Daily mean°C | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 26 |
| Daily low°C | 22 | 22 | 22 | 23 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 23 | 24 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 31 | 30 | 31 | 32 | 33 | 33 | 33 | 34 | 35 | 34 | 33 | 31 | 33 |
| Mean feelsDaily mean feels-like°C | 26 | 25 | 26 | 28 | 30 | 31 | 30 | 31 | 31 | 30 | 29 | 27 | 29 |
| Low feelsDaily low feels-like°C | 19 | 17 | 18 | 20 | 23 | 23 | 23 | 24 | 24 | 23 | 22 | 20 | 21 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 78 | 77 | 77 | 76 | 79 | 81 | 80 | 80 | 81 | 83 | 84 | 78 | 80 |
| Dewpoint°C | 20.0 | 19.8 | 19.9 | 20.6 | 22.0 | 22.7 | 23.0 | 23.6 | 23.5 | 23.2 | 22.3 | 20.8 | 21.8 |
| Precipitation | |||||||||||||
| Rainfallmm | 29 | 47 | 49 | 57 | 75 | 82 | 106 | 137 | 97 | 164 | 144 | 39 | 1024 |
| Rain days≥1mm | 11 | 14 | 16 | 19 | 19 | 21 | 23 | 19 | 26 | 26 | 22 | 15 | 231 |
| Wind | |||||||||||||
| Wind avgm/s | 4.6 | 5.3 | 4.7 | 4.2 | 4.4 | 4.8 | 5.2 | 4.8 | 3.5 | 3.6 | 4.3 | 4.2 | 4.5 |
| Wind gustsm/s | 7.1 | 7.3 | 7.1 | 6.1 | 6.3 | 6.6 | 7.2 | 6.6 | 5.8 | 5.6 | 6.2 | 7.0 | 6.6 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 9.0 | 9.3 | 9.3 | 9.6 | 10.0 | 10.7 | 10.3 | 9.8 | 9.3 | 9.0 | 8.6 | 8.7 | 9.5 |
| Clear skyindex | 69% | 67% | 62% | 53% | 52% | 46% | 49% | 44% | 50% | 51% | 55% | 62% | 55% |
| UV indexmax avg | 6.6 | 8.3 | 9.9 | 10.5 | 10.4 | 9.9 | 9.4 | 9.9 | 9.8 | 8.7 | 7.0 | 6.3 | 8.9 |
Compared across Puerto Rico
Cayey: 19.5 °C. Typical range in Puerto Rico: 19.7–20.1 °C. Low anchor: Guayama, 19.1 °C. High anchor: Aguadilla, 21.4 °C.
15 cities tracked