In December, Lafayette typically sees daytime highs of 17.8°C and overnight lows around 6.2°C. Compared to the annual average high of 25.5°C, December runs -7.7°C.
December in Lafayette averages a daytime high of 17.8°C and an overnight low of 6.2°C.
December runs -7.7°C compared to Lafayette's annual average high of 25.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 6.2°C.