In May, Jena typically sees daytime highs of 17.4°C and overnight lows around 6.5°C. Compared to the annual average high of 12.6°C, May runs +4.8°C.
May in Jena averages a daytime high of 17.4°C and an overnight low of 6.5°C.
May runs +4.8°C compared to Jena's annual average high of 12.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 17.4°C and cooler evenings around 6.5°C.