Last updated: August 31, 2025
In December, the average temperature in Toa Alta, Puerto Rico is a warm 26°C (78°F), with comfort levels fluctuating between a minimum of 22°C (73°F) and a maximum of 31°C (87°F). Expect 50 mm (2.0 in) of precipitation spread over 16 days, contributing to a notable average humidity of 76%. Whether you're planning outdoor activities or seeking respite from the heat, it's essential to consider these conditions for a delightful experience!
In December in Toa Alta, the average temperature is 26°C (78°F), with maximums reaching 31°C (87°F) and minimums dropping to as low as 22°C (73°F). This pleasant climate makes Toa Alta an ideal destination for travelers seeking warm weather and outdoor activities.
In Toa Alta in December, the total precipitation amount is 50 mm (2.0 in) over the course of 16 days.
In Toa Alta in December humidity is 76%. With an average temperature of 26°C (78°F), this humidity feels like a warm, tropical embrace, making travel feel like a stroll through a steamy rainforest, where the air clings to your skin and every step can leave you drenched, yet there's a certain charm in the lush scenery and vibrant life all around.
In Toa Alta 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 Toa Alta.
UV Risk Categories
Weather in Toa Alta varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Toa Alta, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 39 mm (1.5 inches) | 76% | very high |
| February Weather | 25°C (77°F) | 43 mm (1.7 inches) | 75% | extreme |
| March Weather | 25°C (77°F) | 72 mm (2.8 inches) | 74% | extreme |
| April Weather | 26°C (78°F) | 55 mm (2.2 inches) | 75% | extreme |
| May Weather | 27°C (80°F) | 58 mm (2.3 inches) | 75% | extreme |
| June Weather | 27°C (81°F) | 62 mm (2.4 inches) | 77% | extreme |
| July Weather | 28°C (82°F) | 76 mm (3.0 inches) | 80% | extreme |
| August Weather | 28°C (82°F) | 86 mm (3.4 inches) | 80% | extreme |
| September Weather | 28°C (82°F) | 172 mm (6.8 inches) | 79% | extreme |
| October Weather | 27°C (81°F) | 136 mm (5.3 inches) | 78% | extreme |
| November Weather | 26°C (80°F) | 93 mm (3.7 inches) | 78% | very high |
| December Weather | 26°C (78°F) | 50 mm (2.0 inches) | 76% | very high |