Last updated: August 27, 2025
In December, the average temperature in San Jeronimo Zacualpan, Mexico hovers around 13°C (55°F), with a minimum dropping to -1°C (31°F) and a maximum reaching 25°C (78°F). Expect light precipitation of only 4 mm (0.2 in) over a day, and enjoy the crisp atmosphere with an average humidity of 88%.
In December in San Jeronimo Zacualpan, the average temperature is 13°C (55°F). Maximums can reach 25°C (78°F), and minimums can be as low as -1°C (31°F). This makes San Jeronimo Zacualpan an ideal destination for travelers who enjoy mild weather with occasional warmth and the chance for cooler days.
In San Jeronimo Zacualpan in December, the precipitation amount is 4 mm (0.2 in) during 1 day.
In San Jeronimo Zacualpan in December humidity is 88%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while exploring, as the moisture in the air can lead to a rather uncomfortable experience for traveling.
In San Jeronimo Zacualpan 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 Jeronimo Zacualpan.
UV Risk Categories
Weather in San Jeronimo Zacualpan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Jeronimo Zacualpan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (55°F) | 14 mm (0.5 inches) | 84% | very high |
| February Weather | 14°C (58°F) | 5 mm (0.2 inches) | 78% | extreme |
| March Weather | 16°C (62°F) | 19 mm (0.7 inches) | 75% | extreme |
| April Weather | 17°C (63°F) | 37 mm (1.4 inches) | 70% | extreme |
| May Weather | 18°C (64°F) | 86 mm (3.4 inches) | 77% | extreme |
| June Weather | 17°C (63°F) | 191 mm (7.5 inches) | 76% | extreme |
| July Weather | 16°C (61°F) | 186 mm (7.3 inches) | 68% | extreme |
| August Weather | 16°C (62°F) | 214 mm (8.4 inches) | 70% | extreme |
| September Weather | 16°C (61°F) | 255 mm (10.0 inches) | 82% | extreme |
| October Weather | 15°C (60°F) | 96 mm (3.8 inches) | 91% | extreme |
| November Weather | 14°C (57°F) | 29 mm (1.1 inches) | 89% | very high |
| December Weather | 13°C (55°F) | 4 mm (0.2 inches) | 88% | very high |