In October, Calais typically sees daytime highs of 14.3°C and overnight lows around 8.8°C. Compared to the annual average high of 12.7°C, October runs +1.6°C.
October in Calais averages a daytime high of 14.3°C and an overnight low of 8.8°C.
October runs +1.6°C compared to Calais's annual average high of 12.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 14.3°C and cooler evenings around 8.8°C.