Last updated: August 27, 2025
In December, the average temperature in San Juanito, Mexico hovers around 13°C (56°F). Expect fluctuations, with minimum temperatures dipping as low as -3°C (26°F) and maximums soaring up to 29°C (84°F). During this month, precipitation typically accumulates to 13 mm (0.5 in) over the course of 2 days, while the average humidity remains high at 89%.
In December in San Juanito, the average temperature is 13°C (56°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -3°C (26°F). This variation in temperatures suggests that travelers should prepare for both mild and chilly conditions, making layers a wise choice for outdoor activities.
In San Juanito in December, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.
In San Juanito in December humidity is 89%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor travel feel heavy and uncomfortable.
In San Juanito 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 Juanito.
UV Risk Categories
Weather in San Juanito varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juanito, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 12 mm (0.5 inches) | 87% | very high |
| February Weather | 15°C (59°F) | 14 mm (0.6 inches) | 85% | very high |
| March Weather | 18°C (64°F) | 28 mm (1.1 inches) | 83% | extreme |
| April Weather | 20°C (68°F) | 41 mm (1.6 inches) | 84% | extreme |
| May Weather | 21°C (71°F) | 89 mm (3.5 inches) | 85% | extreme |
| June Weather | 21°C (71°F) | 104 mm (4.1 inches) | 79% | extreme |
| July Weather | 21°C (71°F) | 109 mm (4.3 inches) | 71% | extreme |
| August Weather | 22°C (71°F) | 58 mm (2.3 inches) | 72% | extreme |
| September Weather | 20°C (68°F) | 109 mm (4.3 inches) | 80% | extreme |
| October Weather | 18°C (65°F) | 74 mm (2.9 inches) | 85% | extreme |
| November Weather | 15°C (60°F) | 18 mm (0.7 inches) | 88% | very high |
| December Weather | 13°C (56°F) | 13 mm (0.5 inches) | 89% | high |