If you're looking for summer vibes, the best time to travel to Tucuman is in December, January and October, when the average temperature reaches 33.45 °C, while August, September and October are the 3 sunniest months of the year, with an average of 125.78 hours.
However, if you prefer colder temperatures, make sure you visit Tucuman during July, June or August to experience an average of 7.29 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during June, August and January, when the average precipitation in Tucuman is 6.4 mm, while the months of January, February and March are drier, with an average of 0 mm.