In December, Tallaght typically sees daytime highs of 7.5°C and overnight lows around 2.5°C. Compared to the annual average high of 12.7°C, December runs -5.1°C.
December in Tallaght averages a daytime high of 7.5°C and an overnight low of 2.5°C.
December runs -5.1°C compared to Tallaght's annual average high of 12.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 7.5°C and cooler evenings around 2.5°C.