In April, Basel typically sees daytime highs of 14.0°C and overnight lows around 3.7°C. Compared to the annual average high of 13.9°C, April runs +0.0°C.
April in Basel averages a daytime high of 14.0°C and an overnight low of 3.7°C.
April runs +0.0°C compared to Basel's annual average high of 13.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 14.0°C and cooler evenings around 3.7°C.