Last updated: August 27, 2025
In San Juan Atenco, Mexico, the average temperature for December hovers around 12°C (54°F). During this time, you can experience a chilly minimum of -2°C (28°F), while the warmth can peak at a comfortable 24°C (76°F). Expect some light rain, with 9 mm (0.4 in) of precipitation spread over just 2 days, and a high average humidity of 88%.
In December in San Juan Atenco, the average temperature is 12°C (54°F). The maximum can reach 24°C (76°F) and the minimum can be as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for their trip.
In San Juan Atenco in December, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.
In San Juan Atenco in December, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.
In San Juan Atenco 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 Atenco.
UV Risk Categories
Weather in San Juan Atenco varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan Atenco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (53°F) | 12 mm (0.5 inches) | 84% | very high |
| February Weather | 13°C (56°F) | 8 mm (0.3 inches) | 78% | extreme |
| March Weather | 15°C (59°F) | 29 mm (1.1 inches) | 75% | extreme |
| April Weather | 16°C (61°F) | 74 mm (2.9 inches) | 70% | extreme |
| May Weather | 16°C (62°F) | 134 mm (5.3 inches) | 77% | extreme |
| June Weather | 16°C (60°F) | 237 mm (9.3 inches) | 76% | extreme |
| July Weather | 15°C (59°F) | 142 mm (5.6 inches) | 68% | extreme |
| August Weather | 15°C (60°F) | 192 mm (7.5 inches) | 70% | extreme |
| September Weather | 15°C (60°F) | 237 mm (9.3 inches) | 82% | extreme |
| October Weather | 15°C (59°F) | 109 mm (4.3 inches) | 91% | extreme |
| November Weather | 13°C (56°F) | 30 mm (1.2 inches) | 89% | extreme |
| December Weather | 12°C (54°F) | 9 mm (0.4 inches) | 88% | very high |