Last updated: August 26, 2025
In December, the average temperature in San Buenaventura, Mexico hovers around 15°C (59°F), providing a mild climate. However, don't be fooled by the averages; temperatures can dip as low as -1°C (31°F) or soar up to 34°C (94°F). Expect approximately 17 mm (0.7 in) of rainfall over 3 days, and prepare for a high humidity level of 89%, which adds a touch of tropical warmth to this vibrant locale.
In December in San Buenaventura, the average temperature is 15°C (59°F). Maximums can reach 34°C (94°F), while minimums can drop to as low as -1°C (31°F). Therefore, travelers should be prepared for a wide range of temperatures and pack accordingly.
In San Buenaventura in December, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.
In San Buenaventura in December humidity is 89%. With an average temperature of 15°C (59°F), this humidity feels like a damp blanket enveloping you, making even short walks feel heavy and sluggish, while creating a sense of heaviness in the air that can dampen the joy of exploring.
In San Buenaventura in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Buenaventura, you can refer to this Hourly UV Index in San Buenaventura.
UV Risk Categories
Weather in San Buenaventura varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Buenaventura, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 14°C (57°F) | 8 mm (0.3 inches) | 83% | high |
| February Weather | 16°C (62°F) | 7 mm (0.3 inches) | 74% | very high |
| March Weather | 21°C (70°F) | 14 mm (0.6 inches) | 75% | very high |
| April Weather | 24°C (76°F) | 14 mm (0.6 inches) | 74% | extreme |
| May Weather | 28°C (83°F) | 34 mm (1.3 inches) | 79% | extreme |
| June Weather | 30°C (86°F) | 30 mm (1.2 inches) | 77% | extreme |
| July Weather | 30°C (86°F) | 61 mm (2.4 inches) | 64% | extreme |
| August Weather | 30°C (86°F) | 33 mm (1.3 inches) | 61% | extreme |
| September Weather | 26°C (80°F) | 107 mm (4.2 inches) | 77% | extreme |
| October Weather | 23°C (73°F) | 39 mm (1.5 inches) | 83% | very high |
| November Weather | 18°C (64°F) | 15 mm (0.6 inches) | 85% | high |
| December Weather | 15°C (59°F) | 17 mm (0.7 inches) | 89% | high |