In April, Bialystok typically sees daytime highs of 12.8°C and overnight lows around 0.9°C. Compared to the annual average high of 11.8°C, April runs +1.1°C.
April in Bialystok averages a daytime high of 12.8°C and an overnight low of 0.9°C.
April runs +1.1°C compared to Bialystok's annual average high of 11.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 12.8°C and cooler evenings around 0.9°C.