In July, Calais typically sees daytime highs of 19.3°C and overnight lows around 13.2°C. Compared to the annual average high of 12.7°C, July runs +6.5°C.
July in Calais averages a daytime high of 19.3°C and an overnight low of 13.2°C.
July runs +6.5°C compared to Calais's annual average high of 12.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 19.3°C and cooler evenings around 13.2°C.