Last updated: August 27, 2025
In December, the average temperature in San Rafael, Mexico hovers around 10°C (51°F). Be prepared for a chill, as temperatures can dip to a brisk -10°C (14°F), while reaching a comfortable 25°C (77°F) at times. Expect 25 mm (1.0 in) of precipitation spread over about 3 days, and note that the average humidity is a high 80%. Stay cozy!
In December in San Rafael, the average temperature is 10°C (51°F). The maximum can reach 25°C (77°F), and the minimum can be as low as -10°C (14°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.
In San Rafael in December, the precipitation amount is 25 mm (1.0 in) over the course of 3 days.
In San Rafael in December, humidity is 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.
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 | 10°C (49°F) | 17 mm (0.7 inches) | 75% | very high |
| February Weather | 12°C (54°F) | 11 mm (0.4 inches) | 70% | very high |
| March Weather | 15°C (59°F) | 20 mm (0.8 inches) | 65% | extreme |
| April Weather | 17°C (62°F) | 30 mm (1.2 inches) | 59% | extreme |
| May Weather | 18°C (65°F) | 55 mm (2.2 inches) | 66% | extreme |
| June Weather | 19°C (66°F) | 86 mm (3.4 inches) | 71% | extreme |
| July Weather | 18°C (64°F) | 129 mm (5.1 inches) | 57% | extreme |
| August Weather | 18°C (64°F) | 73 mm (2.9 inches) | 58% | extreme |
| September Weather | 16°C (62°F) | 143 mm (5.6 inches) | 72% | extreme |
| October Weather | 15°C (60°F) | 31 mm (1.2 inches) | 76% | extreme |
| November Weather | 13°C (55°F) | 10 mm (0.4 inches) | 81% | very high |
| December Weather | 10°C (51°F) | 25 mm (1.0 inches) | 80% | high |