Last updated: August 27, 2025
In San Juan Atzompa, Mexico, the average temperature for December is a pleasant 17°C (62°F). Expect a minimum chill of 1°C (34°F) and a warm maximum of 30°C (86°F). Rainfall is scarce, with only 3 mm (0.1 in) over 0 days, making it a mostly dry month. Humidity tends to hover around 88%, creating a comfortably warm atmosphere.
In December in San Juan Atzompa, the average temperature is 17°C (62°F), with maximums reaching 30°C (86°F) and minimums dropping as low as 1°C (34°F). This varied climate makes San Juan Atzompa a destination where travelers should pack for both warm days and cool nights.
In San Juan Atzompa in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.
In San Juan Atzompa in December, humidity is 88%. With an average temperature of 17°C (62°F), this humidity feels like traveling through a dense fog, making the air feel heavy and sticky, which can be quite uncomfortable for outdoor activities.
In San Juan Atzompa 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 Atzompa.
UV Risk Categories
Weather in San Juan Atzompa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan Atzompa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 16°C (62°F) | 3 mm (0.1 inches) | 84% | very high |
| February Weather | 18°C (65°F) | 3 mm (0.1 inches) | 78% | extreme |
| March Weather | 20°C (68°F) | 10 mm (0.4 inches) | 75% | extreme |
| April Weather | 22°C (71°F) | 27 mm (1.1 inches) | 70% | extreme |
| May Weather | 22°C (72°F) | 91 mm (3.6 inches) | 77% | extreme |
| June Weather | 20°C (69°F) | 209 mm (8.2 inches) | 76% | extreme |
| July Weather | 20°C (69°F) | 139 mm (5.5 inches) | 68% | extreme |
| August Weather | 20°C (69°F) | 189 mm (7.5 inches) | 70% | extreme |
| September Weather | 20°C (68°F) | 268 mm (10.5 inches) | 82% | extreme |
| October Weather | 20°C (67°F) | 101 mm (4.0 inches) | 91% | extreme |
| November Weather | 18°C (65°F) | 20 mm (0.8 inches) | 89% | very high |
| December Weather | 17°C (62°F) | 3 mm (0.1 inches) | 88% | very high |