Last updated: August 23, 2025
In December, the average temperature in San Marcos, Honduras is a pleasant 18°C (65°F). Expect a minimum of 10°C (50°F) and a maximum of 28°C (83°F), making it a great time to explore. Additionally, anticipate 25 mm (1.0 in) of precipitation over 8 days, with an average humidity of 74%. Embrace the vibrant atmosphere!
In December in San Marcos, the average temperature is 18°C (65°F). Maximums can reach 28°C (83°F), while minimums can drop as low as 10°C (50°F). This pleasant weather makes San Marcos an ideal destination for travelers looking to enjoy mild temperatures and outdoor activities.
In San Marcos in December, the precipitation amount is 25 mm (1.0 in) occurring over a span of 8 days.
In San Marcos in December humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.
In San Marcos 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 Marcos.
UV Risk Categories
Weather in San Marcos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Marcos, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 18°C (65°F) | 20 mm (0.8 inches) | 80% | extreme |
| February Weather | 19°C (67°F) | 18 mm (0.7 inches) | 72% | extreme |
| March Weather | 20°C (69°F) | 22 mm (0.9 inches) | 61% | extreme |
| April Weather | 22°C (72°F) | 86 mm (3.4 inches) | 53% | extreme |
| May Weather | 22°C (71°F) | 295 mm (11.6 inches) | 51% | extreme |
| June Weather | 21°C (71°F) | 376 mm (14.8 inches) | 52% | extreme |
| July Weather | 21°C (70°F) | 197 mm (7.8 inches) | 58% | extreme |
| August Weather | 21°C (70°F) | 285 mm (11.2 inches) | 63% | extreme |
| September Weather | 21°C (70°F) | 337 mm (13.3 inches) | 71% | extreme |
| October Weather | 21°C (69°F) | 262 mm (10.3 inches) | 79% | extreme |
| November Weather | 19°C (66°F) | 97 mm (3.8 inches) | 79% | very high |
| December Weather | 18°C (65°F) | 25 mm (1.0 inches) | 74% | very high |