Last updated: August 27, 2025
In San Juan Tulija (San Juan), Mexico, the average temperature in December hovers around 20°C (69°F). Expect a range where minimum temperatures can dip to 8°C (47°F), while maximums soar up to 31°C (89°F). The month typically sees an average precipitation of 116 mm (4.6 in) over 12 days, with the air maintaining an average humidity of 86%.
In December in San Juan Tulija (San Juan), the average temperature is 20°C (69°F). Maximums can reach 31°C (89°F) and minimums can be as low as 8°C (47°F). This means travelers should prepare for pleasant days and cooler nights, making it an ideal time for outdoor activities and exploration.
In San Juan Tulija (San Juan) in December, the precipitation amount is 116 mm (4.6 in) over a span of 12 days.
In San Juan Tulija (San Juan) in December, humidity is 86%. With an average temperature of 20°C (69°F), this humidity feels like a warm, dense blanket wrapping around you, making travel feel sluggish and sticky, as each step can leave you yearning for a cool breeze or a refreshing drink.
In San Juan Tulija (San Juan) in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Juan Tulija (San Juan).
UV Risk Categories
Weather in San Juan Tulija (San Juan) varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan Tulija (San Juan), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 20°C (68°F) | 125 mm (4.9 inches) | 84% | very high |
| February Weather | 21°C (71°F) | 59 mm (2.3 inches) | 73% | extreme |
| March Weather | 23°C (73°F) | 41 mm (1.6 inches) | 59% | extreme |
| April Weather | 25°C (78°F) | 73 mm (2.9 inches) | 52% | extreme |
| May Weather | 26°C (79°F) | 172 mm (6.8 inches) | 53% | extreme |
| June Weather | 25°C (77°F) | 360 mm (14.2 inches) | 55% | extreme |
| July Weather | 25°C (77°F) | 127 mm (5.0 inches) | 61% | extreme |
| August Weather | 25°C (77°F) | 213 mm (8.4 inches) | 71% | extreme |
| September Weather | 25°C (76°F) | 284 mm (11.2 inches) | 77% | extreme |
| October Weather | 24°C (75°F) | 321 mm (12.6 inches) | 78% | extreme |
| November Weather | 22°C (71°F) | 197 mm (7.7 inches) | 82% | very high |
| December Weather | 20°C (69°F) | 116 mm (4.6 inches) | 86% | very high |