In May, Santarem typically sees daytime highs of 30.2°C and overnight lows around 22.2°C. Compared to the annual average high of 30.9°C, May runs -0.7°C.
May in Santarem averages a daytime high of 30.2°C and an overnight low of 22.2°C.
May runs -0.7°C compared to Santarem's annual average high of 30.9°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 30.2°C and cooler evenings around 22.2°C.