In December, Lafayette typically sees daytime highs of 3.5°C and overnight lows around -5.6°C. Compared to the annual average high of 16.6°C, December runs -13.1°C.
December in Lafayette averages a daytime high of 3.5°C and an overnight low of -5.6°C.
December runs -13.1°C compared to Lafayette's annual average high of 16.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 3.5°C and cooler evenings around -5.6°C.