In May, Nashua typically sees daytime highs of 20.5°C and overnight lows around 6.8°C. Compared to the annual average high of 14.6°C, May runs +5.9°C.
May in Nashua averages a daytime high of 20.5°C and an overnight low of 6.8°C.
May runs +5.9°C compared to Nashua's annual average high of 14.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 20.5°C and cooler evenings around 6.8°C.