In March, Windsor typically sees daytime highs of 6.3°C and overnight lows around -3.1°C. Compared to the annual average high of 14.3°C, March runs -8.0°C.
March in Windsor averages a daytime high of 6.3°C and an overnight low of -3.1°C.
March runs -8.0°C compared to Windsor's annual average high of 14.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 6.3°C and cooler evenings around -3.1°C.