In May, Tomakomai typically sees daytime highs of 14.0°C and overnight lows around 5.3°C. Compared to the annual average high of 11.0°C, May runs +3.0°C.
May in Tomakomai averages a daytime high of 14.0°C and an overnight low of 5.3°C.
May runs +3.0°C compared to Tomakomai's annual average high of 11.0°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 14.0°C and cooler evenings around 5.3°C.