In March, Belfast typically sees daytime highs of 8.6°C and overnight lows around 3.1°C. Compared to the annual average high of 12.0°C, March runs -3.3°C.
March in Belfast averages a daytime high of 8.6°C and an overnight low of 3.1°C.
March runs -3.3°C compared to Belfast's annual average high of 12.0°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 8.6°C and cooler evenings around 3.1°C.