In May, Trois-Rivieres typically sees daytime highs of 18.1°C and overnight lows around 5.5°C. Compared to the annual average high of 10.1°C, May runs +8.0°C.
May in Trois-Rivieres averages a daytime high of 18.1°C and an overnight low of 5.5°C.
May runs +8.0°C compared to Trois-Rivieres's annual average high of 10.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 5.5°C.