June in Novoaltaysk is the sunniest month of the year. In June, the weather in Novoaltaysk is typically warm. Average daily high temperature in June is about 23 degrees above zero. On average, Novoaltaysk has 13 partly cloudy, 11 sunny, and 6 rainy days in June. The rains are usually moderate. June as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Novoaltaysk.