Last updated: August 27, 2025
In December, the average temperature in San Gabriel, Mexico hovers around 12°C (54°F). This period sees a range with minimums dipping to -8°C (18°F) and maximums climbing to 27°C (80°F). You can expect about 10 mm (0.4 in) of precipitation over 1 day and an average humidity level of 83%, creating a unique climate experience.
In December in San Gabriel, the average temperature is 12°C (54°F). The maximum can reach 27°C (80°F), and the minimum can be as low as -8°C (18°F). Therefore, be prepared for a wide range of temperatures and pack accordingly for your trip.
In San Gabriel in December, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.
In San Gabriel in December humidity is 83%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making outdoor exploration feel sticky and uncomfortable, which can dampen the excitement of traveling.
In San Gabriel 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 San Gabriel.
UV Risk Categories
Weather in San Gabriel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Gabriel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (53°F) | 15 mm (0.6 inches) | 71% | very high |
| February Weather | 14°C (57°F) | 10 mm (0.4 inches) | 64% | extreme |
| March Weather | 17°C (63°F) | 6 mm (0.2 inches) | 49% | extreme |
| April Weather | 19°C (67°F) | 6 mm (0.2 inches) | 47% | extreme |
| May Weather | 21°C (71°F) | 17 mm (0.7 inches) | 55% | extreme |
| June Weather | 21°C (71°F) | 68 mm (2.7 inches) | 77% | extreme |
| July Weather | 20°C (67°F) | 140 mm (5.5 inches) | 82% | extreme |
| August Weather | 20°C (68°F) | 74 mm (2.9 inches) | 83% | extreme |
| September Weather | 18°C (64°F) | 125 mm (4.9 inches) | 86% | extreme |
| October Weather | 17°C (63°F) | 50 mm (2.0 inches) | 83% | extreme |
| November Weather | 14°C (58°F) | 16 mm (0.6 inches) | 80% | very high |
| December Weather | 12°C (54°F) | 10 mm (0.4 inches) | 83% | very high |