In April, Calais typically sees daytime highs of 11.3°C and overnight lows around 5.3°C. Compared to the annual average high of 12.7°C, April runs -1.4°C.
April in Calais averages a daytime high of 11.3°C and an overnight low of 5.3°C.
April runs -1.4°C compared to Calais's annual average high of 12.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 11.3°C and cooler evenings around 5.3°C.