Last updated: August 27, 2025
In San Luis, Philippines, the average temperature in December is a warm 26°C (79°F). You'll experience a range where the minimum dips to 23°C (74°F) and the maximum peaks at 30°C (86°F). However, be prepared for some rain, with an average precipitation of 233 mm (9.2 in) spread over 19 days. The air remains quite humid, with an average humidity level of 86%.
In December in San Luis, the average temperature is 26°C (79°F). Maximums can reach 30°C (86°F), while minimums can dip as low as 23°C (74°F). This mild climate makes it an ideal destination for travelers seeking warm and comfortable conditions.
In San Luis in December, the precipitation amount is 233 mm (9.2 in) over a period of 19 days.
In San Luis in December, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.
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 | 25°C (78°F) | 65 mm (2.6 inches) | 78% | extreme |
| February Weather | 25°C (78°F) | 42 mm (1.7 inches) | 75% | extreme |
| March Weather | 27°C (80°F) | 45 mm (1.8 inches) | 74% | extreme |
| April Weather | 28°C (82°F) | 24 mm (0.9 inches) | 76% | extreme |
| May Weather | 28°C (83°F) | 120 mm (4.7 inches) | 76% | extreme |
| June Weather | 28°C (82°F) | 262 mm (10.3 inches) | 81% | extreme |
| July Weather | 27°C (81°F) | 374 mm (14.7 inches) | 84% | extreme |
| August Weather | 27°C (81°F) | 261 mm (10.3 inches) | 85% | extreme |
| September Weather | 27°C (81°F) | 348 mm (13.7 inches) | 85% | extreme |
| October Weather | 27°C (81°F) | 234 mm (9.2 inches) | 82% | extreme |
| November Weather | 27°C (80°F) | 175 mm (6.9 inches) | 85% | extreme |
| December Weather | 26°C (79°F) | 233 mm (9.2 inches) | 86% | very high |