In December, Mostar typically sees daytime highs of 6.5°C and overnight lows around -0.1°C. Compared to the annual average high of 16.3°C, December runs -9.8°C.
December in Mostar averages a daytime high of 6.5°C and an overnight low of -0.1°C.
December runs -9.8°C compared to Mostar's annual average high of 16.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 6.5°C and cooler evenings around -0.1°C.