In July, Lille typically sees daytime highs of 21.8°C and overnight lows around 12.0°C. Compared to the annual average high of 13.8°C, July runs +8.0°C.
July in Lille averages a daytime high of 21.8°C and an overnight low of 12.0°C.
July runs +8.0°C compared to Lille's annual average high of 13.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.8°C and cooler evenings around 12.0°C.