In May, Stamford typically sees daytime highs of 21.2°C and overnight lows around 8.8°C. Compared to the annual average high of 15.7°C, May runs +5.4°C.
May in Stamford averages a daytime high of 21.2°C and an overnight low of 8.8°C.
May runs +5.4°C compared to Stamford's annual average high of 15.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.2°C and cooler evenings around 8.8°C.