Last updated: August 27, 2025
In December, the average temperature in San Luis, Philippines hovers around 24°C (75°F). You can expect temperatures to range from a comfortable 19°C (67°F) to a warm 30°C (86°F). However, be prepared for frequent rain, with an average precipitation of 315 mm (12.4 in) spread over 23 days. With an average humidity level of 86%, it’s advisable to embrace the tropical vibes with light, breathable clothing!
In December, in San Luis, the average temperature is 24°C (75°F). Maximum temperatures can reach 30°C (86°F), while minimums can dip as low as 19°C (67°F). This makes it an ideal time for travelers seeking pleasant weather and outdoor activities.
In San Luis in December, the precipitation amount is 315 mm (12.4 in) over the course of 23 days.
In San Luis in December, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.
In San Luis in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Luis.
UV Risk Categories
Weather in San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (74°F) | 211 mm (8.3 inches) | 76% | extreme |
| February Weather | 23°C (74°F) | 155 mm (6.1 inches) | 71% | extreme |
| March Weather | 24°C (76°F) | 97 mm (3.8 inches) | 68% | extreme |
| April Weather | 25°C (77°F) | 94 mm (3.7 inches) | 69% | extreme |
| May Weather | 27°C (80°F) | 215 mm (8.4 inches) | 76% | extreme |
| June Weather | 27°C (81°F) | 168 mm (6.6 inches) | 87% | extreme |
| July Weather | 26°C (80°F) | 291 mm (11.4 inches) | 88% | extreme |
| August Weather | 27°C (80°F) | 251 mm (9.9 inches) | 89% | extreme |
| September Weather | 26°C (80°F) | 286 mm (11.2 inches) | 89% | extreme |
| October Weather | 26°C (79°F) | 339 mm (13.3 inches) | 86% | extreme |
| November Weather | 25°C (77°F) | 276 mm (10.9 inches) | 89% | very high |
| December Weather | 24°C (75°F) | 315 mm (12.4 inches) | 86% | very high |