If you're looking for summer vibes, the best time to travel to Las Heras is in December, January and November, when the average temperature reaches 29.75 °C, while August, September and December are the 3 sunniest months of the year, with an average of 225.57 hours.
However, if you prefer colder temperatures, make sure you visit Las Heras during July, August or June to experience an average of 1.44 °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 May, June and July, when the average precipitation in Las Heras is 2.48 mm, while the months of January, February and March are drier, with an average of 0 mm.