In April, Hemel Hempstead typically sees daytime highs of 12.1°C and overnight lows around 4.1°C. Compared to the annual average high of 13.1°C, April runs -1.0°C.
April in Hemel Hempstead averages a daytime high of 12.1°C and an overnight low of 4.1°C.
April runs -1.0°C compared to Hemel Hempstead's annual average high of 13.1°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 12.1°C and cooler evenings around 4.1°C.