Last updated: August 27, 2025
In December, the average temperature in San Ildefonso, Philippines is a warm 26°C (80°F). Expect a minimum of 21°C (71°F) and a high of 32°C (90°F), making it a perfect time for outdoor activities. However, be prepared for some rain, with an average precipitation of 149 mm (5.9 in) spread over 12 days. The average humidity is quite high at 86%, enhancing the tropical feel of the season.
In December, in San Ildefonso, the average temperature is 26°C (80°F), with maximums reaching 32°C (90°F) and minimums dropping to as low as 21°C (71°F). This pleasant climate makes San Ildefonso an ideal destination for travelers seeking enjoyable weather and outdoor adventures.
In San Ildefonso in December, the precipitation amount is 149 mm (5.9 in) spread over 12 days.
In San Ildefonso in December humidity is 86%. With an average temperature of 26°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel exhausting and sticky, as sweat clings to your skin and every step becomes a laborious task in the sweltering conditions.
In San Ildefonso 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 Ildefonso.
UV Risk Categories
Weather in San Ildefonso varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Ildefonso, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 26°C (79°F) | 77 mm (3.0 inches) | 76% | extreme |
| February Weather | 26°C (79°F) | 27 mm (1.1 inches) | 71% | extreme |
| March Weather | 27°C (82°F) | 24 mm (1.0 inches) | 68% | extreme |
| April Weather | 29°C (84°F) | 25 mm (1.0 inches) | 69% | extreme |
| May Weather | 29°C (85°F) | 162 mm (6.4 inches) | 76% | extreme |
| June Weather | 28°C (83°F) | 293 mm (11.5 inches) | 87% | extreme |
| July Weather | 27°C (81°F) | 438 mm (17.3 inches) | 88% | extreme |
| August Weather | 27°C (81°F) | 375 mm (14.8 inches) | 89% | extreme |
| September Weather | 27°C (82°F) | 357 mm (14.0 inches) | 89% | extreme |
| October Weather | 27°C (82°F) | 280 mm (11.0 inches) | 86% | extreme |
| November Weather | 27°C (81°F) | 145 mm (5.7 inches) | 89% | extreme |
| December Weather | 26°C (80°F) | 149 mm (5.9 inches) | 86% | very high |