In March, London typically sees daytime highs of 4.0°C and overnight lows around -4.6°C. Compared to the annual average high of 12.6°C, March runs -8.6°C.
March in London averages a daytime high of 4.0°C and an overnight low of -4.6°C.
March runs -8.6°C compared to London's annual average high of 12.6°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 4.0°C and cooler evenings around -4.6°C.