In April, Siedlce typically sees daytime highs of 12.5°C and overnight lows around 2.1°C. Compared to the annual average high of 11.5°C, April runs +0.9°C.
April in Siedlce averages a daytime high of 12.5°C and an overnight low of 2.1°C.
April runs +0.9°C compared to Siedlce's annual average high of 11.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 12.5°C and cooler evenings around 2.1°C.