In December, Heroica Matamoros typically sees daytime highs of 22.4°C and overnight lows around 11.2°C. Compared to the annual average high of 28.7°C, December runs -6.3°C.
December in Heroica Matamoros averages a daytime high of 22.4°C and an overnight low of 11.2°C.
December runs -6.3°C compared to Heroica Matamoros's annual average high of 28.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 22.4°C and cooler evenings around 11.2°C.