Last updated: June 24, 2025
In December, the average temperature in San Miguel, United States hovers around 8°C (47°F). Expect a range from a chilly -6°C (22°F) to a warm 23°C (73°F) during this month. With an average humidity of 82%, the air can feel quite damp, complemented by 12 mm (0.5 in) of precipitation spread over just 2 days.
In December in San Miguel, the average temperature is 8°C (47°F). Maximums can reach 23°C (73°F) and minimums can be as low as -6°C (22°F). Be prepared for a wide range of temperatures while traveling, so layer your clothing accordingly.
In San Miguel in December, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.
In San Miguel in December humidity is 82%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and requiring extra layers to stay warm and comfortable.
In San Miguel in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in San Miguel.
UV Risk Categories
Weather in San Miguel varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Miguel, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (45°F) | 13 mm (0.5 inches) | 79% | moderate |
| February Weather | 10°C (50°F) | 14 mm (0.6 inches) | 79% | high |
| March Weather | 14°C (58°F) | 16 mm (0.6 inches) | 65% | very high |
| April Weather | 20°C (67°F) | 3 mm (0.1 inches) | 55% | extreme |
| May Weather | 24°C (75°F) | 4 mm (0.2 inches) | 54% | extreme |
| June Weather | 28°C (84°F) | 22 mm (0.9 inches) | 53% | extreme |
| July Weather | 29°C (84°F) | 31 mm (1.2 inches) | 55% | extreme |
| August Weather | 28°C (83°F) | 33 mm (1.3 inches) | 57% | extreme |
| September Weather | 25°C (77°F) | 24 mm (0.9 inches) | 70% | extreme |
| October Weather | 19°C (66°F) | 21 mm (0.8 inches) | 75% | very high |
| November Weather | 13°C (56°F) | 13 mm (0.5 inches) | 83% | high |
| December Weather | 8°C (47°F) | 12 mm (0.5 inches) | 82% | moderate |