In December, Matamoros typically sees daytime highs of 21.5°C and overnight lows around 5.3°C. Compared to the annual average high of 29.4°C, December runs -7.9°C.
December in Matamoros averages a daytime high of 21.5°C and an overnight low of 5.3°C.
December runs -7.9°C compared to Matamoros's annual average high of 29.4°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 21.5°C and cooler evenings around 5.3°C.