In April, Tallinn typically sees daytime highs of 6.8°C and overnight lows around -0.4°C. Compared to the annual average high of 8.1°C, April runs -1.3°C.
April in Tallinn averages a daytime high of 6.8°C and an overnight low of -0.4°C.
April runs -1.3°C compared to Tallinn's annual average high of 8.1°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 6.8°C and cooler evenings around -0.4°C.