In December, Altamira typically sees daytime highs of 24.0°C and overnight lows around 14.9°C. Compared to the annual average high of 28.5°C, December runs -4.5°C.
December in Altamira averages a daytime high of 24.0°C and an overnight low of 14.9°C.
December runs -4.5°C compared to Altamira's annual average high of 28.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 24.0°C and cooler evenings around 14.9°C.