In March, Helsinki typically sees daytime highs of -0.1°C and overnight lows around -6.1°C. Compared to the annual average high of 7.7°C, March runs -7.8°C.
March in Helsinki averages a daytime high of -0.1°C and an overnight low of -6.1°C.
March runs -7.8°C compared to Helsinki's annual average high of 7.7°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near -0.1°C and cooler evenings around -6.1°C.