In May, Lappeenranta typically sees daytime highs of 13.5°C and overnight lows around 3.5°C. Compared to the annual average high of 7.0°C, May runs +6.6°C.
May in Lappeenranta averages a daytime high of 13.5°C and an overnight low of 3.5°C.
May runs +6.6°C compared to Lappeenranta's annual average high of 7.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 13.5°C and cooler evenings around 3.5°C.