Last updated: August 23, 2025
In December, the average temperature in San Antonio, Honduras hovers around 20°C (69°F), offering a pleasant climate for visitors. Conditions can vary, with minimums dropping to 12°C (54°F) and highs soaring to 32°C (89°F). Expect 73 mm (2.9 in) of precipitation spread over 13 days, contributing to an average humidity level of 75%. Whether you're exploring the outdoors or enjoying cozy indoor activities, the weather provides a charming backdrop for your adventures!
In December in San Antonio, the average temperature is 20°C (69°F), with maximums reaching up to 32°C (89°F) and minimums dropping to as low as 12°C (54°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.
In San Antonio in December, the precipitation amount is 73 mm (2.9 in) over the course of 13 days.
In San Antonio in December, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.
In San Antonio 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.
UV Risk Categories
Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 20°C (69°F) | 67 mm (2.6 inches) | 78% | extreme |
| February Weather | 22°C (71°F) | 28 mm (1.1 inches) | 74% | extreme |
| March Weather | 23°C (73°F) | 37 mm (1.5 inches) | 67% | extreme |
| April Weather | 25°C (77°F) | 53 mm (2.1 inches) | 61% | extreme |
| May Weather | 25°C (78°F) | 142 mm (5.6 inches) | 59% | extreme |
| June Weather | 25°C (77°F) | 147 mm (5.8 inches) | 61% | extreme |
| July Weather | 25°C (77°F) | 83 mm (3.2 inches) | 68% | extreme |
| August Weather | 25°C (76°F) | 125 mm (4.9 inches) | 70% | extreme |
| September Weather | 25°C (77°F) | 143 mm (5.6 inches) | 75% | extreme |
| October Weather | 23°C (74°F) | 214 mm (8.4 inches) | 81% | extreme |
| November Weather | 21°C (71°F) | 192 mm (7.6 inches) | 82% | very high |
| December Weather | 20°C (69°F) | 73 mm (2.9 inches) | 75% | very high |