Last updated: August 27, 2025
In December, the average temperature in San Juan sin Agua, Mexico hovers around 15°C (59°F). Expect a wide temperature range with minimums dipping to -4°C (26°F) and maximums soaring to 30°C (87°F). During this period, precipitation averages at 15 mm (0.6 in) over approximately 3 days, while the air maintains a high humidity level of 87%.
In December in San Juan sin Agua, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F) and minimums can be as low as -4°C (26°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cool conditions.
In San Juan sin Agua in December, the precipitation amount is 15 mm (0.6 in) over the course of 3 days.
In San Juan sin Agua in December, humidity is 87%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket, making traveling uncomfortable as the air feels thick and stifling, often leaving you feeling hot and sticky even when the temperature isn't too high.
In San Juan sin Agua 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 Juan sin Agua.
UV Risk Categories
Weather in San Juan sin Agua varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan sin Agua, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 14°C (58°F) | 15 mm (0.6 inches) | 75% | very high |
| February Weather | 17°C (63°F) | 16 mm (0.6 inches) | 69% | very high |
| March Weather | 19°C (67°F) | 21 mm (0.8 inches) | 65% | extreme |
| April Weather | 22°C (72°F) | 19 mm (0.8 inches) | 64% | extreme |
| May Weather | 24°C (75°F) | 49 mm (1.9 inches) | 75% | extreme |
| June Weather | 23°C (74°F) | 56 mm (2.2 inches) | 78% | extreme |
| July Weather | 23°C (74°F) | 62 mm (2.4 inches) | 67% | extreme |
| August Weather | 23°C (74°F) | 34 mm (1.3 inches) | 64% | extreme |
| September Weather | 22°C (72°F) | 67 mm (2.7 inches) | 81% | extreme |
| October Weather | 20°C (69°F) | 51 mm (2.0 inches) | 85% | extreme |
| November Weather | 17°C (63°F) | 18 mm (0.7 inches) | 87% | very high |
| December Weather | 15°C (59°F) | 15 mm (0.6 inches) | 87% | high |