In December, Cheltenham typically sees daytime highs of 7.1°C and overnight lows around 2.0°C. Compared to the annual average high of 13.1°C, December runs -6.0°C.
December in Cheltenham averages a daytime high of 7.1°C and an overnight low of 2.0°C.
December runs -6.0°C compared to Cheltenham's annual average high of 13.1°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 7.1°C and cooler evenings around 2.0°C.