Last updated: August 27, 2025
In Santa Maria del Rosario, Mexico, the average temperature in December hovers around 15°C (58°F), with a minimum dipping to 0°C (32°F) and a pleasant maximum rising to 26°C (80°F). Expect 6 mm (0.2 in) of precipitation over the course of 1 day, paired with an average humidity level of 70%.
In December in Santa Maria del Rosario, the average temperature is 15°C (58°F). Maximums can reach 26°C (80°F) and minimums can be as low as 0°C (32°F). It's an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for fluctuating temperatures.
In Santa Maria del Rosario in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.
In Santa Maria del Rosario in December humidity is 70%. With an average temperature of 15°C (58°F), this humidity feels like you’re walking through a warm, damp embrace, making outdoor activities slightly uncomfortable and ensuring that you stay hydrated while exploring.
In Santa Maria del Rosario 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 Santa Maria del Rosario.
UV Risk Categories
Weather in Santa Maria del Rosario varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Maria del Rosario, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 14°C (58°F) | 11 mm (0.4 inches) | 65% | extreme |
| February Weather | 16°C (60°F) | 3 mm (0.1 inches) | 61% | extreme |
| March Weather | 17°C (63°F) | 19 mm (0.7 inches) | 59% | extreme |
| April Weather | 18°C (64°F) | 44 mm (1.7 inches) | 62% | extreme |
| May Weather | 18°C (65°F) | 121 mm (4.8 inches) | 73% | extreme |
| June Weather | 17°C (63°F) | 268 mm (10.5 inches) | 78% | extreme |
| July Weather | 17°C (62°F) | 191 mm (7.5 inches) | 79% | extreme |
| August Weather | 17°C (62°F) | 264 mm (10.4 inches) | 82% | extreme |
| September Weather | 17°C (62°F) | 288 mm (11.3 inches) | 82% | extreme |
| October Weather | 16°C (62°F) | 132 mm (5.2 inches) | 79% | extreme |
| November Weather | 15°C (60°F) | 20 mm (0.8 inches) | 72% | extreme |
| December Weather | 15°C (58°F) | 6 mm (0.2 inches) | 70% | very high |