The maximum temperature in Arak is on average 20°C over the year, with values generally ranging between 6°C in January and 35°C in July. Rains remain limited, with about 256 mm of precipitation per year. The driest month receives 1 mm in September, versus 42 mm in April for the wettest.
The weather is pleasant to stay to Arak in: May, June, July, August and September.
In terms of crowd levels, the quietest periods are in February, while crowding is high in April, May, June, September, December, July and August.