Last updated: August 23, 2025
In December, the average temperature in Ano Syros, Greece hovers around 14°C (58°F). Expect a cool minimum of 8°C (48°F) and a pleasant maximum of 20°C (68°F). During this month, you can anticipate about 87 mm (3.4 in) of precipitation spread over 13 days, contributing to an average humidity of 76%. Stay prepared for a refreshing experience!
In December in Ano Syros, the average temperature is 14°C (58°F). Maximums can reach 20°C (68°F), while minimums can drop as low as 8°C (48°F). This mild climate makes it a great time for exploring the area and enjoying outdoor activities.
In Ano Syros in December, the precipitation amount is 87 mm (3.4 in) spread over 13 days.
In Ano Syros in December humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.
In Ano Syros 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 Ano Syros, you can check the information here.
UV Risk Categories
Weather in Ano Syros varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ano Syros, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 91 mm (3.6 inches) | 76% | moderate |
| February Weather | 13°C (56°F) | 42 mm (1.7 inches) | 75% | moderate |
| March Weather | 14°C (57°F) | 41 mm (1.6 inches) | 74% | high |
| April Weather | 15°C (60°F) | 19 mm (0.7 inches) | 75% | very high |
| May Weather | 19°C (66°F) | 6 mm (0.2 inches) | 77% | very high |
| June Weather | 22°C (73°F) | 5 mm (0.2 inches) | 71% | very high |
| July Weather | 25°C (77°F) | 0 mm (0.0 inches) | 68% | very high |
| August Weather | 25°C (77°F) | 0 mm (0.0 inches) | 63% | very high |
| September Weather | 23°C (74°F) | 6 mm (0.2 inches) | 65% | very high |
| October Weather | 20°C (68°F) | 22 mm (0.9 inches) | 72% | high |
| November Weather | 17°C (63°F) | 44 mm (1.7 inches) | 75% | moderate |
| December Weather | 14°C (58°F) | 87 mm (3.4 inches) | 76% | moderate |