In December, Rio Rancho typically sees daytime highs of 9.5°C and overnight lows around -5.5°C. Compared to the annual average high of 21.5°C, December runs -12.0°C.
December in Rio Rancho averages a daytime high of 9.5°C and an overnight low of -5.5°C.
December runs -12.0°C compared to Rio Rancho's annual average high of 21.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 9.5°C and cooler evenings around -5.5°C.