In December, Tres Rios typically sees daytime highs of 29.2°C and overnight lows around 18.9°C. Compared to the annual average high of 27.7°C, December runs +1.5°C.
December in Tres Rios averages a daytime high of 29.2°C and an overnight low of 18.9°C.
December runs +1.5°C compared to Tres Rios's annual average high of 27.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 18.9°C.