December in Arles averages a daily high of 12.5°C with nights around 4.3°C. Expect roughly 7.1 wet days totalling 45.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Arles is April–June.
Based on MARSEILLES MARIGNANE, FR (54.1km), 1995–2024. 30 years of December data.