In March, Saint-Hyacinthe typically sees daytime highs of 2.0°C and overnight lows around -7.6°C. Compared to the annual average high of 10.8°C, March runs -8.9°C.
March in Saint-Hyacinthe averages a daytime high of 2.0°C and an overnight low of -7.6°C.
March runs -8.9°C compared to Saint-Hyacinthe's annual average high of 10.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 2.0°C and cooler evenings around -7.6°C.