In December, Lisburn typically sees daytime highs of 6.5°C and overnight lows around 2.2°C. Compared to the annual average high of 11.9°C, December runs -5.3°C.
December in Lisburn averages a daytime high of 6.5°C and an overnight low of 2.2°C.
December runs -5.3°C compared to Lisburn's annual average high of 11.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.5°C and cooler evenings around 2.2°C.