In April, Rijeka typically sees daytime highs of 15.1°C and overnight lows around 4.8°C. Compared to the annual average high of 16.0°C, April runs -0.9°C.
April in Rijeka averages a daytime high of 15.1°C and an overnight low of 4.8°C.
April runs -0.9°C compared to Rijeka's annual average high of 16.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 15.1°C and cooler evenings around 4.8°C.