In December, Bellingham typically sees daytime highs of 6.5°C and overnight lows around 0.9°C. Compared to the annual average high of 14.3°C, December runs -7.8°C.
December in Bellingham averages a daytime high of 6.5°C and an overnight low of 0.9°C.
December runs -7.8°C compared to Bellingham's annual average high of 14.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 6.5°C and cooler evenings around 0.9°C.