Last updated: August 23, 2025
In December, the average temperature in Santiago de Maria, El Salvador hovers around 27°C (81°F). This delightful climate can see minimums as low as 19°C (66°F) and peak at a sizzling 37°C (98°F). Visitors should expect 5 mm (0.2 in) of precipitation over the course of 2 days, with an average humidity level of 66% – perfect for enjoying the vibrant surroundings!
In December in Santiago de Maria, the average temperature is 27°C (81°F). Maximums can reach 37°C (98°F) and minimums can be as low as 19°C (66°F). This makes it a great time to travel if you enjoy warm weather, but be prepared for some heat during the day and cooler evenings.
In Santiago de Maria in December, the precipitation amount is 5 mm (0.2 in) over a period of 2 days.
In Santiago de Maria in December, humidity is 66%. With an average temperature of 27°C (81°F), this humidity feels like a warm, sticky embrace, making outdoor exploration feel a bit more intense while increasing the need for hydration as you navigate through the sights.
In Santiago de Maria 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 Santiago de Maria.
UV Risk Categories
Weather in Santiago de Maria varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santiago de Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 27°C (82°F) | 1 mm (0.0 inches) | 63% | extreme |
| February Weather | 28°C (83°F) | 3 mm (0.1 inches) | 62% | extreme |
| March Weather | 29°C (85°F) | 5 mm (0.2 inches) | 59% | extreme |
| April Weather | 29°C (85°F) | 34 mm (1.3 inches) | 59% | extreme |
| May Weather | 28°C (83°F) | 266 mm (10.5 inches) | 59% | extreme |
| June Weather | 27°C (81°F) | 350 mm (13.8 inches) | 68% | extreme |
| July Weather | 28°C (83°F) | 144 mm (5.7 inches) | 77% | extreme |
| August Weather | 28°C (82°F) | 293 mm (11.5 inches) | 79% | extreme |
| September Weather | 27°C (81°F) | 296 mm (11.6 inches) | 77% | extreme |
| October Weather | 26°C (80°F) | 358 mm (14.1 inches) | 77% | extreme |
| November Weather | 27°C (80°F) | 70 mm (2.8 inches) | 75% | very high |
| December Weather | 27°C (81°F) | 5 mm (0.2 inches) | 66% | very high |