Last updated: August 23, 2025
In December, the average temperature in San Antonio Aguas Calientes, Guatemala is a pleasant 19°C (66°F). Expect a minimum of 10°C (50°F) and a maximum of 28°C (83°F), providing a comfortable range for outdoor activities. Precipitation is relatively low, averaging just 12 mm (0.5 in) over 3 days, while the atmosphere remains humid with an average of 76%. Prepare for an enjoyable month in this charming destination!
In December in San Antonio Aguas Calientes, the average temperature is 19°C (66°F). Maximums can reach 28°C (83°F) and minimums can drop as low as 10°C (50°F). This comfortable climate makes it an ideal time to explore and enjoy outdoor activities in San Antonio Aguas Calientes.
In San Antonio Aguas Calientes in December, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.
In San Antonio Aguas Calientes in December, humidity is 76%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making travel mildly uncomfortable and encouraging frequent breaks in shaded or air-conditioned areas.
In San Antonio Aguas Calientes 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 Antonio Aguas Calientes.
UV Risk Categories
Weather in San Antonio Aguas Calientes varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Antonio Aguas Calientes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 19°C (66°F) | 9 mm (0.4 inches) | 76% | extreme |
| February Weather | 20°C (68°F) | 20 mm (0.8 inches) | 68% | extreme |
| March Weather | 20°C (69°F) | 22 mm (0.9 inches) | 59% | extreme |
| April Weather | 21°C (70°F) | 97 mm (3.8 inches) | 57% | extreme |
| May Weather | 21°C (69°F) | 264 mm (10.4 inches) | 65% | extreme |
| June Weather | 20°C (69°F) | 358 mm (14.1 inches) | 66% | extreme |
| July Weather | 21°C (69°F) | 111 mm (4.4 inches) | 75% | extreme |
| August Weather | 20°C (69°F) | 229 mm (9.0 inches) | 82% | extreme |
| September Weather | 20°C (68°F) | 293 mm (11.6 inches) | 82% | extreme |
| October Weather | 20°C (68°F) | 252 mm (9.9 inches) | 83% | extreme |
| November Weather | 19°C (67°F) | 50 mm (2.0 inches) | 80% | very high |
| December Weather | 19°C (66°F) | 12 mm (0.5 inches) | 76% | very high |