Last updated: August 27, 2025
In December, the average temperature in San Luis, Philippines is a pleasant 24°C (75°F). However, be prepared for a minimum dip to 18°C (64°F) and the occasional rise to a warm 30°C (86°F). Rainfall is not uncommon, with an average precipitation of 297 mm (11.7 in) spread over 28 days, contributing to a high average humidity of 91%. Don't forget your umbrella!
In December, in San Luis, the average temperature is 24°C (75°F), with maximums reaching 30°C (86°F) and minimums dipping to as low as 18°C (64°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable weather.
In San Luis in December, the total precipitation amount is 297 mm (11.7 in) over the course of 28 days.
In San Luis in December humidity is 91%. With an average temperature of 24°C (75°F), this humidity feels like a thick blanket wrapping around you, making traveling quite uncomfortable as you’ll likely feel drenched in sweat and sluggish after just a short walk.
In San Luis in December, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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) | 268 mm (10.5 inches) | 88% | extreme |
| February Weather | 23°C (74°F) | 195 mm (7.7 inches) | 86% | extreme |
| March Weather | 24°C (76°F) | 170 mm (6.7 inches) | 84% | extreme |
| April Weather | 25°C (77°F) | 184 mm (7.3 inches) | 82% | extreme |
| May Weather | 25°C (77°F) | 401 mm (15.8 inches) | 83% | extreme |
| June Weather | 24°C (76°F) | 466 mm (18.3 inches) | 85% | extreme |
| July Weather | 24°C (76°F) | 405 mm (15.9 inches) | 86% | extreme |
| August Weather | 24°C (76°F) | 371 mm (14.6 inches) | 87% | extreme |
| September Weather | 24°C (75°F) | 380 mm (15.0 inches) | 89% | extreme |
| October Weather | 24°C (76°F) | 400 mm (15.7 inches) | 85% | extreme |
| November Weather | 24°C (76°F) | 271 mm (10.7 inches) | 87% | extreme |
| December Weather | 24°C (75°F) | 297 mm (11.7 inches) | 91% | extreme |