In December, Bellevue typically sees daytime highs of 2.7°C and overnight lows around -7.8°C. Compared to the annual average high of 16.7°C, December runs -14.0°C.
December in Bellevue averages a daytime high of 2.7°C and an overnight low of -7.8°C.
December runs -14.0°C compared to Bellevue's annual average high of 16.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 2.7°C and cooler evenings around -7.8°C.