In December, Barnsley typically sees daytime highs of 6.7°C and overnight lows around 2.1°C. Compared to the annual average high of 12.5°C, December runs -5.8°C.
December in Barnsley averages a daytime high of 6.7°C and an overnight low of 2.1°C.
December runs -5.8°C compared to Barnsley's annual average high of 12.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.7°C and cooler evenings around 2.1°C.