In December, Fianarantsoa typically sees daytime highs of 26.6°C and overnight lows around 16.3°C. Compared to the annual average high of 24.1°C, December runs +2.5°C.
December in Fianarantsoa averages a daytime high of 26.6°C and an overnight low of 16.3°C.
December runs +2.5°C compared to Fianarantsoa's annual average high of 24.1°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 26.6°C and cooler evenings around 16.3°C.