In July, Basel typically sees daytime highs of 23.9°C and overnight lows around 12.9°C. Compared to the annual average high of 13.9°C, July runs +10.0°C.
July in Basel averages a daytime high of 23.9°C and an overnight low of 12.9°C.
July runs +10.0°C compared to Basel's annual average high of 13.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 23.9°C and cooler evenings around 12.9°C.