Last updated: August 23, 2025
In December, the average temperature in San Matteo, Italy hovers around 5°C (41°F). However, be prepared for a temperature range that can dip to a chilly -4°C (25°F) and rise to a mild 15°C (59°F). Expect 73 mm (2.9 in) of precipitation over approximately 8 days, with an average humidity of 85%, making for a potentially damp atmosphere. Stay cozy and prepared!
In December in San Matteo, the average temperature is 5°C (41°F), with maximums reaching up to 15°C (59°F) and minimums dropping as low as -4°C (25°F). Travelers should be prepared for chilly conditions, so layering and warm clothing are advisable when visiting during this time.
In San Matteo in December, the precipitation amount is 73 mm (2.9 in) over a span of 8 days.
In San Matteo in December, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.
In San Matteo 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 San Matteo, you can visit Hourly UV Index in San Matteo.
UV Risk Categories
Weather in San Matteo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Matteo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (39°F) | 22 mm (0.9 inches) | 87% | low |
| February Weather | 7°C (45°F) | 55 mm (2.2 inches) | 79% | moderate |
| March Weather | 10°C (50°F) | 50 mm (2.0 inches) | 69% | moderate |
| April Weather | 14°C (58°F) | 78 mm (3.1 inches) | 71% | high |
| May Weather | 19°C (66°F) | 117 mm (4.6 inches) | 70% | very high |
| June Weather | 24°C (76°F) | 66 mm (2.6 inches) | 65% | very high |
| July Weather | 26°C (79°F) | 92 mm (3.6 inches) | 61% | very high |
| August Weather | 26°C (79°F) | 85 mm (3.3 inches) | 54% | very high |
| September Weather | 21°C (70°F) | 114 mm (4.5 inches) | 66% | high |
| October Weather | 15°C (60°F) | 72 mm (2.8 inches) | 83% | moderate |
| November Weather | 10°C (51°F) | 115 mm (4.5 inches) | 88% | moderate |
| December Weather | 5°C (41°F) | 73 mm (2.9 inches) | 85% | low |