In December, Metairie typically sees daytime highs of 18.2°C and overnight lows around 7.1°C. Compared to the annual average high of 25.5°C, December runs -7.3°C.
December in Metairie averages a daytime high of 18.2°C and an overnight low of 7.1°C.
December runs -7.3°C compared to Metairie's annual average high of 25.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 7.1°C.