December in Modica averages a daily high of 17.3°C with nights around 12.2°C. Expect roughly 8.8 wet days totalling 84.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Modica is April–June.
Based on COZZO SPADARO, IT (38.6km), 1995–2024. 16 years of December data.