Last updated: August 23, 2025
In December, the average temperature in San Antonio La Paz, Guatemala is a pleasant 20°C (69°F). Expect temperatures to range from a refreshing 8°C (47°F) at night to a warm 33°C (91°F) during the day. With an average humidity of 76% and only 9 mm (0.3 in) of precipitation over the course of just one day, it's a great time to enjoy the outdoors!
In December in San Antonio La Paz, the average temperature is 20°C (69°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 8°C (47°F). This makes it a perfect time for traveling, offering comfortable warmth and the opportunity to enjoy outdoor activities while also being prepared for cooler evenings.
In San Antonio La Paz in December, the precipitation amount is 9 mm (0.3 in) over the course of 1 day.
In San Antonio La Paz in December, humidity is 76%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace that can make outdoor activities sticky and uncomfortable, requiring frequent breaks and plenty of hydration for a pleasant travel experience.
In San Antonio La Paz in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Antonio La Paz.
UV Risk Categories
Weather in San Antonio La Paz varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Antonio La Paz, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 20°C (68°F) | 7 mm (0.3 inches) | 76% | extreme |
| February Weather | 21°C (71°F) | 4 mm (0.1 inches) | 68% | extreme |
| March Weather | 22°C (73°F) | 4 mm (0.2 inches) | 59% | extreme |
| April Weather | 24°C (76°F) | 16 mm (0.6 inches) | 57% | extreme |
| May Weather | 24°C (76°F) | 83 mm (3.3 inches) | 65% | extreme |
| June Weather | 23°C (74°F) | 178 mm (7.0 inches) | 66% | extreme |
| July Weather | 23°C (74°F) | 62 mm (2.5 inches) | 75% | extreme |
| August Weather | 23°C (74°F) | 118 mm (4.6 inches) | 82% | extreme |
| September Weather | 23°C (74°F) | 134 mm (5.3 inches) | 82% | extreme |
| October Weather | 23°C (73°F) | 149 mm (5.9 inches) | 83% | extreme |
| November Weather | 21°C (70°F) | 39 mm (1.5 inches) | 80% | extreme |
| December Weather | 20°C (69°F) | 9 mm (0.3 inches) | 76% | very high |