In April, Bolu typically sees daytime highs of 13.1°C and overnight lows around 1.9°C. Compared to the annual average high of 13.9°C, April runs -0.8°C.
April in Bolu averages a daytime high of 13.1°C and an overnight low of 1.9°C.
April runs -0.8°C compared to Bolu's annual average high of 13.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 13.1°C and cooler evenings around 1.9°C.