Last updated: August 23, 2025
In Santa Maria, Italy, the average temperature in December hovers around -10°C (15°F). However, temperatures can plummet to a chilling -28°C (-18°F) at their lowest, while occasionally reaching a milder 2°C (36°F). With 109 mm (4.3 in) of precipitation spread across 14 days, expect a damp month complemented by an average humidity of 90%.
In December in Santa Maria, the average temperature is -10°C (15°F). The maximum can reach 2°C (36°F), while the minimum can drop as low as -28°C (-18°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm during their visit.
In Santa Maria in December, the precipitation amount is 109 mm (4.3 in) over the course of 14 days.
In Santa Maria in December humidity is 90%. With an average temperature of -10°C (15°F), this humidity feels like the air is thick with frost, making travel feel intensely biting and profoundly cold, as if every breath is laced with a sharp chill that nips at your skin and seeps into your bones.
In Santa Maria in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Santa Maria, you can visit Hourly UV Index in Santa Maria.
UV Risk Categories
Weather in Santa Maria varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (12°F) | 60 mm (2.4 inches) | 93% | low |
| February Weather | -8°C (18°F) | 48 mm (1.9 inches) | 89% | moderate |
| March Weather | -5°C (22°F) | 66 mm (2.6 inches) | 86% | high |
| April Weather | -1°C (31°F) | 74 mm (2.9 inches) | 83% | very high |
| May Weather | 3°C (39°F) | 121 mm (4.8 inches) | 78% | very high |
| June Weather | 9°C (49°F) | 102 mm (4.0 inches) | 79% | extreme |
| July Weather | 11°C (52°F) | 108 mm (4.3 inches) | 82% | extreme |
| August Weather | 11°C (51°F) | 131 mm (5.1 inches) | 80% | very high |
| September Weather | 7°C (44°F) | 98 mm (3.9 inches) | 83% | very high |
| October Weather | 2°C (36°F) | 114 mm (4.5 inches) | 90% | high |
| November Weather | -4°C (24°F) | 120 mm (4.7 inches) | 89% | moderate |
| December Weather | -10°C (15°F) | 109 mm (4.3 inches) | 90% | low |