Last updated: August 27, 2025
In December, the average temperature in San Rafael, Mexico hovers around 15°C (59°F). However, temperatures can vary significantly, with a minimum of -1°C (30°F) and a maximum reaching up to 32°C (89°F). Expect some moisture, as the area sees an average precipitation of 11 mm (0.4 in) over about 2 days, contributing to an elevated average humidity of 89%.
In December in San Rafael, the average temperature is 15°C (59°F). Maximums can reach 32°C (89°F), and minimums can drop as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.
In San Rafael in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.
In San Rafael in December humidity is 89%. With an average temperature of 15°C (59°F), this humidity feels like a damp blanket enveloping you, making even short walks feel heavy and sluggish, while creating a sense of heaviness in the air that can dampen the joy of exploring.
In San Rafael in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Rafael.
UV Risk Categories
Weather in San Rafael varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Rafael, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 14°C (57°F) | 9 mm (0.3 inches) | 87% | very high |
| February Weather | 16°C (62°F) | 8 mm (0.3 inches) | 85% | very high |
| March Weather | 19°C (66°F) | 15 mm (0.6 inches) | 83% | extreme |
| April Weather | 22°C (71°F) | 20 mm (0.8 inches) | 84% | extreme |
| May Weather | 23°C (74°F) | 48 mm (1.9 inches) | 85% | extreme |
| June Weather | 23°C (74°F) | 84 mm (3.3 inches) | 79% | extreme |
| July Weather | 23°C (73°F) | 81 mm (3.2 inches) | 71% | extreme |
| August Weather | 23°C (73°F) | 53 mm (2.1 inches) | 72% | extreme |
| September Weather | 22°C (71°F) | 92 mm (3.6 inches) | 80% | extreme |
| October Weather | 20°C (68°F) | 58 mm (2.3 inches) | 85% | extreme |
| November Weather | 17°C (62°F) | 16 mm (0.6 inches) | 88% | very high |
| December Weather | 15°C (59°F) | 11 mm (0.4 inches) | 89% | high |