Last updated: August 27, 2025
In Tentziantla (San Marcos), Mexico, the average temperature in December hovers around 19°C (67°F). You can expect a minimum temperature of 7°C (45°F) and a pleasant maximum of 31°C (88°F). However, be prepared for some rain, as precipitation averages 74 mm (2.9 in) over 12 days. With an average humidity of 91%, it's wise to stay hydrated while enjoying your time!
In December in Tentziantla (San Marcos), the average temperature is 19°C (67°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as 7°C (45°F). This makes Tentziantla (San Marcos) an ideal destination for travelers looking to enjoy mild weather with the possibility of warm afternoons and cool evenings.
In Tentziantla (San Marcos) in December, the precipitation amount is 74 mm (2.9 in) over a span of 12 days.
In Tentziantla (San Marcos) in December, humidity is 91%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket enveloping you, creating a heavy atmosphere that can be quite stifling for traveling.
In Tentziantla (San Marcos) 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 Tentziantla (San Marcos).
UV Risk Categories
Weather in Tentziantla (San Marcos) varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tentziantla (San Marcos), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (67°F) | 87 mm (3.4 inches) | 88% | very high |
| February Weather | 20°C (69°F) | 92 mm (3.6 inches) | 86% | extreme |
| March Weather | 22°C (72°F) | 82 mm (3.2 inches) | 84% | extreme |
| April Weather | 24°C (76°F) | 113 mm (4.4 inches) | 81% | extreme |
| May Weather | 26°C (79°F) | 110 mm (4.3 inches) | 82% | extreme |
| June Weather | 25°C (78°F) | 277 mm (10.9 inches) | 81% | extreme |
| July Weather | 25°C (77°F) | 126 mm (5.0 inches) | 81% | extreme |
| August Weather | 25°C (78°F) | 142 mm (5.6 inches) | 82% | extreme |
| September Weather | 25°C (77°F) | 251 mm (9.9 inches) | 86% | extreme |
| October Weather | 24°C (75°F) | 207 mm (8.2 inches) | 90% | extreme |
| November Weather | 21°C (71°F) | 145 mm (5.7 inches) | 91% | very high |
| December Weather | 19°C (67°F) | 74 mm (2.9 inches) | 91% | very high |