July in Novoaltaysk averages a daily high of 26.2°C with nights around 14.1°C. Expect roughly 12.5 wet days totalling 72.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Novoaltaysk is May–September.
Based on BARNAUL, RS (28.2km), 1995–2024. 26 years of July data.