In April, Brussels typically sees daytime highs of 13.4°C and overnight lows around 3.9°C. Compared to the annual average high of 13.8°C, April runs -0.4°C.
April in Brussels averages a daytime high of 13.4°C and an overnight low of 3.9°C.
April runs -0.4°C compared to Brussels's annual average high of 13.8°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 13.4°C and cooler evenings around 3.9°C.