Last updated: August 23, 2025
In December, the average temperature in San Luca, Italy hovers around 10°C (51°F), making it a cool yet inviting time to explore. Temperatures can dip to a chilly 2°C (37°F) at night, while reaching a pleasant 17°C (63°F) during the day. Be prepared for precipitation as well, with about 136 mm (5.4 in) expected over 17 days. With an average humidity of 78%, the air has that unmistakable crisp feel—perfect for cozy activities and enjoying the scenery!
In December in San Luca, the average temperature is 10°C (51°F), with a maximum reaching up to 17°C (63°F) and a minimum dipping as low as 2°C (37°F). This mild weather makes it a great time for travelers to explore the area while enjoying comfortable outdoor activities.
In San Luca in December, the total precipitation amount is 136 mm (5.4 in) over the course of 17 days.
In San Luca in December, humidity is 78%. With an average temperature of 10°C (51°F), this humidity feels like a cool, damp mist enveloping you, making travel feel somewhat brisk and invigorating, yet slightly uncomfortable for prolonged outdoor activities.
In San Luca in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in San Luca, you can check the information here.
UV Risk Categories
Weather in San Luca varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Luca, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 95 mm (3.8 inches) | 78% | moderate |
| February Weather | 9°C (49°F) | 100 mm (3.9 inches) | 71% | moderate |
| March Weather | 10°C (51°F) | 117 mm (4.6 inches) | 70% | high |
| April Weather | 13°C (55°F) | 64 mm (2.5 inches) | 73% | very high |
| May Weather | 17°C (62°F) | 51 mm (2.0 inches) | 72% | very high |
| June Weather | 21°C (71°F) | 40 mm (1.6 inches) | 67% | very high |
| July Weather | 24°C (75°F) | 35 mm (1.4 inches) | 64% | very high |
| August Weather | 25°C (77°F) | 33 mm (1.3 inches) | 61% | very high |
| September Weather | 22°C (71°F) | 69 mm (2.7 inches) | 68% | very high |
| October Weather | 17°C (64°F) | 145 mm (5.7 inches) | 73% | high |
| November Weather | 14°C (58°F) | 131 mm (5.2 inches) | 77% | moderate |
| December Weather | 10°C (51°F) | 136 mm (5.4 inches) | 78% | moderate |