In December, Ilheus typically sees daytime highs of 29.2°C and overnight lows around 22.5°C. Compared to the annual average high of 28.1°C, December runs +1.1°C.
December in Ilheus averages a daytime high of 29.2°C and an overnight low of 22.5°C.
December runs +1.1°C compared to Ilheus's annual average high of 28.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 22.5°C.