Here’s all the information about climate for the city of Arles. The weather of Arles, France is dry, warm Mediterranean one.
Summer (June-August): The city can get quite hot during the summers with temperatures in July generally hovers around 30 degree C during the day and around 15 degree C at night. Recently, it suffered some severe heat waves.
Winter (December – February): Winters are a bit chilly and windy but temperatures average around 12 degree C even in December when it is the coldest and they remain above freezing at night so this time of the year is off season in Arles.
October is the wettest month.
To avoid the hottest weather and the school-holiday crowds, explore Arles in early autumn which is a good season when it is still warm and dry.
So, May to September would be the best time to visit Arles.