In April, Blackburn typically sees daytime highs of 10.6°C and overnight lows around 3.1°C. Compared to the annual average high of 11.4°C, April runs -0.8°C.
April in Blackburn averages a daytime high of 10.6°C and an overnight low of 3.1°C.
April runs -0.8°C compared to Blackburn's annual average high of 11.4°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 10.6°C and cooler evenings around 3.1°C.