Last updated: August 27, 2025
In San Antonio Rayon, Mexico, the average temperature in December hovers around 21°C (71°F), making it a pleasant time to explore. However, be prepared for fluctuations, as temperatures can dip to a cool 5°C (41°F) or soar to a vibrant 37°C (99°F). During this period, expect 11 mm (0.4 in) of precipitation spread over 2 days, contributing to an average humidity level of 89%, creating a lush and inviting atmosphere.
In December in San Antonio Rayon, the average temperature is 21°C (71°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 5°C (41°F). It's essential to pack for both warm days and cooler nights when traveling during this time.
In San Antonio Rayon in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.
In San Antonio Rayon in December humidity is 89%. With an average temperature of 21°C (71°F), this humidity feels like walking through a warm, thick blanket, making it a challenge for travelers to remain comfortable while exploring the sights.
In San Antonio Rayon 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 Antonio Rayon, you can refer to this Hourly UV Index in San Antonio Rayon.
UV Risk Categories
Weather in San Antonio Rayon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Antonio Rayon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 20°C (69°F) | 31 mm (1.2 inches) | 87% | high |
| February Weather | 22°C (72°F) | 15 mm (0.6 inches) | 85% | very high |
| March Weather | 25°C (77°F) | 26 mm (1.0 inches) | 83% | extreme |
| April Weather | 27°C (82°F) | 20 mm (0.8 inches) | 84% | extreme |
| May Weather | 30°C (86°F) | 58 mm (2.3 inches) | 85% | extreme |
| June Weather | 30°C (86°F) | 139 mm (5.5 inches) | 79% | extreme |
| July Weather | 30°C (85°F) | 139 mm (5.5 inches) | 71% | extreme |
| August Weather | 30°C (86°F) | 92 mm (3.6 inches) | 72% | extreme |
| September Weather | 29°C (84°F) | 113 mm (4.5 inches) | 80% | extreme |
| October Weather | 27°C (80°F) | 105 mm (4.1 inches) | 85% | very high |
| November Weather | 23°C (74°F) | 24 mm (0.9 inches) | 88% | very high |
| December Weather | 21°C (71°F) | 11 mm (0.4 inches) | 89% | high |