Last updated: August 27, 2025
The average temperature in La Reforma (Kilometro 9), Mexico for December is a pleasant 20°C (68°F). However, it can vary significantly, with minimums dipping to 8°C (46°F) and maximums soaring to 31°C (87°F). Expect about 42 mm (1.6 in) of precipitation spread over 7 days, accompanied by a high average humidity of 91%. Whether you're soaking up the sun or enjoying a rainy afternoon, La Reforma (Kilometro 9) has a climate that keeps things interesting!
In December in La Reforma (Kilometro 9), the average temperature is 20°C (68°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as 8°C (46°F). This makes La Reforma (Kilometro 9) an ideal destination for travelers seeking a mild climate with the potential for warm days and cooler evenings.
In La Reforma (Kilometro 9) in December, the total precipitation amount is 42 mm (1.6 in) accumulated over a span of 7 days.
In La Reforma (Kilometro 9) in December, humidity is 91%. With an average temperature of 20°C (68°F), this humidity feels like a heavy blanket wrapping around you, making travel feel stifling and often exhausting, as each step you take requires more effort in the thick, muggy air.
In La Reforma (Kilometro 9) 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 La Reforma (Kilometro 9).
UV Risk Categories
Weather in La Reforma (Kilometro 9) varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in La Reforma (Kilometro 9), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (67°F) | 68 mm (2.7 inches) | 88% | very high |
| February Weather | 20°C (69°F) | 56 mm (2.2 inches) | 86% | very high |
| March Weather | 22°C (72°F) | 81 mm (3.2 inches) | 84% | extreme |
| April Weather | 25°C (77°F) | 58 mm (2.3 inches) | 81% | extreme |
| May Weather | 27°C (81°F) | 108 mm (4.2 inches) | 82% | extreme |
| June Weather | 27°C (80°F) | 151 mm (5.9 inches) | 81% | extreme |
| July Weather | 27°C (81°F) | 120 mm (4.7 inches) | 81% | extreme |
| August Weather | 27°C (81°F) | 173 mm (6.8 inches) | 82% | extreme |
| September Weather | 26°C (80°F) | 201 mm (7.9 inches) | 86% | extreme |
| October Weather | 25°C (77°F) | 151 mm (5.9 inches) | 90% | extreme |
| November Weather | 22°C (71°F) | 98 mm (3.9 inches) | 91% | very high |
| December Weather | 20°C (68°F) | 42 mm (1.6 inches) | 91% | high |