Last updated: August 31, 2025
In Rafael Hernandez, Puerto Rico, the average temperature in December hovers around 25°C (78°F), offering a pleasant climate. The minimum temperature can dip to 23°C (73°F), while the maximum can reach up to 30°C (86°F). Expect about 43 mm (1.7 in) of precipitation over 15 days of the month, and a comfortable average humidity of 76%.
In December in Rafael Hernandez, the average temperature is 25°C (78°F). Maximum temperatures can reach 30°C (86°F), while minimums can dip as low as 23°C (73°F). This makes Rafael Hernandez an ideal destination for travelers seeking pleasant and mild weather during this time of year.
In Rafael Hernandez in December, the precipitation amount is 43 mm (1.7 in) spread over 15 days.
In Rafael Hernandez in December humidity is 76%. With an average temperature of 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick, causing travelers to seek shade and refreshment more often.
In Rafael Hernandez in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rafael Hernandez.
UV Risk Categories
Weather in Rafael Hernandez varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rafael Hernandez, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 34 mm (1.3 inches) | 76% | very high |
| February Weather | 25°C (76°F) | 39 mm (1.5 inches) | 75% | extreme |
| March Weather | 25°C (76°F) | 72 mm (2.8 inches) | 74% | extreme |
| April Weather | 25°C (78°F) | 66 mm (2.6 inches) | 75% | extreme |
| May Weather | 26°C (79°F) | 97 mm (3.8 inches) | 75% | extreme |
| June Weather | 27°C (81°F) | 85 mm (3.3 inches) | 77% | extreme |
| July Weather | 27°C (81°F) | 91 mm (3.6 inches) | 80% | extreme |
| August Weather | 27°C (82°F) | 97 mm (3.8 inches) | 80% | extreme |
| September Weather | 27°C (81°F) | 188 mm (7.4 inches) | 79% | extreme |
| October Weather | 27°C (81°F) | 127 mm (5.0 inches) | 78% | extreme |
| November Weather | 26°C (79°F) | 99 mm (3.9 inches) | 78% | very high |
| December Weather | 25°C (78°F) | 43 mm (1.7 inches) | 76% | very high |