Last updated: August 27, 2025
In December, the average temperature in San Antonino Castillo Velasco, Mexico is a comfortable 17°C (63°F). Expect minimums that can dip to 3°C (38°F), while maximums can reach a balmy 29°C (85°F). With an average humidity of 88%, the atmosphere feels refreshingly damp, and you might encounter a light drizzle, as precipitation is a modest 7 mm (0.3 in) over the month with rain on just zero days.
In December in San Antonino Castillo Velasco, the average temperature is 17°C (63°F), with a maximum that can reach 29°C (85°F) and a minimum that can be as low as 3°C (38°F). This makes it a great time to explore San Antonino Castillo Velasco, so be sure to pack layers to enjoy both warm days and cool evenings!
In San Antonino Castillo Velasco in December, the precipitation amount is 7 mm (0.3 in) occurring over a span of 0 days.
In San Antonino Castillo Velasco in December, humidity is 88%. With an average temperature of 17°C (63°F), this humidity feels like a thick blanket enveloping you, making outdoor activities feel stifling and sticky, potentially dampening the joy of exploration and requiring frequent breaks for hydration.
In San Antonino Castillo Velasco 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 Antonino Castillo Velasco.
UV Risk Categories
Weather in San Antonino Castillo Velasco varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Antonino Castillo Velasco, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 17°C (63°F) | 4 mm (0.2 inches) | 84% | very high |
| February Weather | 18°C (65°F) | 1 mm (0.1 inches) | 80% | extreme |
| March Weather | 20°C (68°F) | 9 mm (0.4 inches) | 73% | extreme |
| April Weather | 21°C (70°F) | 34 mm (1.3 inches) | 67% | extreme |
| May Weather | 21°C (71°F) | 73 mm (2.9 inches) | 72% | extreme |
| June Weather | 20°C (68°F) | 206 mm (8.1 inches) | 73% | extreme |
| July Weather | 20°C (68°F) | 97 mm (3.8 inches) | 76% | extreme |
| August Weather | 20°C (68°F) | 151 mm (6.0 inches) | 80% | extreme |
| September Weather | 20°C (68°F) | 210 mm (8.3 inches) | 84% | extreme |
| October Weather | 19°C (67°F) | 114 mm (4.5 inches) | 89% | extreme |
| November Weather | 18°C (64°F) | 13 mm (0.5 inches) | 88% | extreme |
| December Weather | 17°C (63°F) | 7 mm (0.3 inches) | 88% | very high |