In December, Lee's Summit typically sees daytime highs of 5.7°C and overnight lows around -4.5°C. Compared to the annual average high of 18.5°C, December runs -12.8°C.
December in Lee's Summit averages a daytime high of 5.7°C and an overnight low of -4.5°C.
December runs -12.8°C compared to Lee's Summit's annual average high of 18.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 5.7°C and cooler evenings around -4.5°C.