In June, Basel typically sees daytime highs of 21.7°C and overnight lows around 11.2°C. Compared to the annual average high of 13.9°C, June runs +7.8°C.
June in Basel averages a daytime high of 21.7°C and an overnight low of 11.2°C.
June runs +7.8°C compared to Basel's annual average high of 13.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 21.7°C and cooler evenings around 11.2°C.