Last updated: August 27, 2025
In December, the average temperature in San Andres (San Andres Chichayotla), Mexico is a pleasant 17°C (64°F). However, temperatures can vary significantly, with a minimum of 3°C (38°F) and a maximum reaching 31°C (87°F). Expect about 46 mm (1.8 in) of precipitation over 7 days, coupled with a high average humidity of 91%, making it a potentially damp and warm month.
In December in San Andres (San Andres Chichayotla), the average temperature is 17°C (64°F). Maximum temperatures can reach 31°C (87°F), while minima can drop as low as 3°C (38°F). This variety in temperature makes San Andres (San Andres Chichayotla) an ideal destination for travelers seeking both warm and cooler conditions.
In San Andres (San Andres Chichayotla) in December, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.
In San Andres (San Andres Chichayotla) in December humidity is 91%. With an average temperature of 17°C (64°F), this humidity feels like a warm, muggy embrace, making traveling feel sticky and exhausting, as it clings to your skin, and you find yourself constantly seeking shade or air-conditioned spaces to escape the stifling atmosphere.
In San Andres (San Andres Chichayotla) 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 Andres (San Andres Chichayotla).
UV Risk Categories
Weather in San Andres (San Andres Chichayotla) varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Andres (San Andres Chichayotla), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 17°C (62°F) | 68 mm (2.7 inches) | 88% | high |
| February Weather | 19°C (66°F) | 57 mm (2.3 inches) | 86% | very high |
| March Weather | 21°C (70°F) | 72 mm (2.8 inches) | 83% | extreme |
| April Weather | 24°C (75°F) | 103 mm (4.0 inches) | 80% | extreme |
| May Weather | 26°C (79°F) | 152 mm (6.0 inches) | 82% | extreme |
| June Weather | 25°C (78°F) | 208 mm (8.2 inches) | 79% | extreme |
| July Weather | 25°C (78°F) | 149 mm (5.9 inches) | 72% | extreme |
| August Weather | 25°C (78°F) | 158 mm (6.2 inches) | 74% | extreme |
| September Weather | 25°C (77°F) | 229 mm (9.0 inches) | 84% | extreme |
| October Weather | 23°C (73°F) | 293 mm (11.5 inches) | 92% | extreme |
| November Weather | 20°C (68°F) | 98 mm (3.9 inches) | 91% | very high |
| December Weather | 17°C (64°F) | 46 mm (1.8 inches) | 91% | high |