In December, Exeter typically sees daytime highs of 7.8°C and overnight lows around 2.8°C. Compared to the annual average high of 13.0°C, December runs -5.2°C.
December in Exeter averages a daytime high of 7.8°C and an overnight low of 2.8°C.
December runs -5.2°C compared to Exeter's annual average high of 13.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 7.8°C and cooler evenings around 2.8°C.