Last updated: August 27, 2025
In December, the average temperature in San Juan Colorado, Mexico is a pleasant 25°C (77°F). Temperatures can range from a cool 14°C (57°F) to a warm 35°C (95°F). Expect 18 mm (0.7 in) of precipitation spread over 3 days, with an average humidity of 70%, creating a comfortable atmosphere for outdoor activities.
In December in San Juan Colorado, the average temperature is 25°C (77°F). Maximums can reach 35°C (95°F) and minimums can be as low as 14°C (57°F). Therefore, it’s a great time for traveling, offering warm days and cooler evenings ideal for outdoor activities.
In San Juan Colorado in December, the precipitation amount is 18 mm (0.7 in) over a span of 3 days.
In San Juan Colorado in December, humidity is 70%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, moist blanket that clings to your skin, making every step feel heavier as you explore the sights and sounds of your destination.
In San Juan Colorado 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 Juan Colorado.
UV Risk Categories
Weather in San Juan Colorado varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan Colorado, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 6 mm (0.2 inches) | 65% | very high |
| February Weather | 25°C (78°F) | 2 mm (0.1 inches) | 61% | extreme |
| March Weather | 26°C (80°F) | 5 mm (0.2 inches) | 59% | extreme |
| April Weather | 27°C (81°F) | 6 mm (0.2 inches) | 62% | extreme |
| May Weather | 28°C (82°F) | 73 mm (2.9 inches) | 73% | extreme |
| June Weather | 26°C (78°F) | 359 mm (14.1 inches) | 78% | extreme |
| July Weather | 26°C (79°F) | 217 mm (8.6 inches) | 79% | extreme |
| August Weather | 25°C (78°F) | 355 mm (14.0 inches) | 82% | extreme |
| September Weather | 25°C (77°F) | 382 mm (15.0 inches) | 82% | extreme |
| October Weather | 25°C (77°F) | 278 mm (10.9 inches) | 79% | extreme |
| November Weather | 25°C (77°F) | 29 mm (1.1 inches) | 72% | very high |
| December Weather | 25°C (77°F) | 18 mm (0.7 inches) | 70% | very high |