Last updated: August 27, 2025
In December, the average temperature in San Juan Atepec, Mexico is a comfortable 14°C (57°F). However, be prepared for a range that dips to a minimum of 1°C (35°F) and peaks at a warm 26°C (79°F). Expect about 55 mm (2.2 in) of precipitation spread across 11 days, creating a humid atmosphere with an average humidity level of 88%.
In December, in San Juan Atepec, the average temperature is 14°C (57°F). Maximums can reach 26°C (79°F), while minimums can drop as low as 1°C (35°F). This variability makes it essential for travelers to pack layers to comfortably navigate the changing weather.
In San Juan Atepec, in December, the total precipitation amount is 55 mm (2.2 in) over the course of 11 days.
In San Juan Atepec in December humidity is 88%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and giving a sense of stickiness that can drain your energy quickly while exploring.
In San Juan Atepec 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 Atepec.
UV Risk Categories
Weather in San Juan Atepec varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan Atepec, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (56°F) | 75 mm (3.0 inches) | 84% | very high |
| February Weather | 15°C (59°F) | 61 mm (2.4 inches) | 80% | extreme |
| March Weather | 16°C (61°F) | 66 mm (2.6 inches) | 73% | extreme |
| April Weather | 18°C (64°F) | 115 mm (4.5 inches) | 67% | extreme |
| May Weather | 18°C (65°F) | 204 mm (8.0 inches) | 72% | extreme |
| June Weather | 18°C (64°F) | 417 mm (16.4 inches) | 73% | extreme |
| July Weather | 17°C (63°F) | 234 mm (9.2 inches) | 76% | extreme |
| August Weather | 17°C (63°F) | 367 mm (14.4 inches) | 80% | extreme |
| September Weather | 17°C (64°F) | 446 mm (17.6 inches) | 84% | extreme |
| October Weather | 17°C (62°F) | 333 mm (13.1 inches) | 89% | extreme |
| November Weather | 15°C (58°F) | 156 mm (6.1 inches) | 88% | very high |
| December Weather | 14°C (57°F) | 55 mm (2.2 inches) | 88% | very high |