In May, Barnaul typically sees daytime highs of 18.0°C and overnight lows around 4.3°C. Compared to the annual average high of 6.8°C, May runs +11.2°C.
May in Barnaul averages a daytime high of 18.0°C and an overnight low of 4.3°C.
May runs +11.2°C compared to Barnaul's annual average high of 6.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 18.0°C and cooler evenings around 4.3°C.